Question

Find x in the given proportion

X:4=9:12​

Answer 1

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X:4= 9:12

WE NEED TO U DERSTAND THAT RATIO IS ANOTHER WAY OF DIVIDING

SO,

WE GET,

X/4=9/12

CROSS MULTIPLY

12X=9*4

12X=36

TRANSPOSE 12 TO RHS

X=36/12

X=3

HOPE I HELPED YOU