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excel formula to perform a simple equation with increment columns

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    excel formula to perform a simple equation with increment columns

    Hello, I am trying to perform an equation on 10 columns from left to right. It starts with =((F3/F11)*F12)+((G3/G11)*G12)+((H3/H11)*H12)... and so forth for 10 iterations. Is there any way to accomplish this easier? I played around with offset but I'm not sure if thats what I need, basically the equation is =((X3/X11)*X12 where X starts in column F and ends on column O.

    Any help would be greatly appreciated. The way I have it setup now is writing the equation ten times but I figure there is an easier way to do this.
    Arek

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    Re: excel formula to perform a simple equation with increment columns

    Hi


    =SUMPRODUCT(F3:O3*F12:O12/F11:O11)

    F11:O11 cannot house 0 or empty cells.

    If there could be zeros at denominator

    =SUM(IF(F11:O11<>0,F3:O3*F12:O12/F11:O11))

    to be confirmed with control+shift+enter

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    Re: excel formula to perform a simple equation with increment columns

    the 2nd formula worked perfect as i had some empty cells, thank you very much

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