Hi. Could I get help with the below problem. TIA Find the value that completes each proportion. 4/5 = ?/15

asked Oct 12, 2015 146k views

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Hi. Could I get help with the below problem. TIA

Find the value that completes each proportion.

4/5 = ?/15

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3 votes

15 divided by 5 is 3, so you multiply 4 by 3, which is 12.

4/5 = 12/15

Sajid Anwar answered Oct 13, 2015

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7 votes

$Proportion:\\(4)/(5)=(x)/(15)\\\\Cross\ multiplication\\\\15*4=5x\\\\ 60=5x\ \ \ |Divide\ by\ 5\\\\ x=12$

Idragosalex answered Oct 17, 2015

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