Question

Using the numbers 3, 9, 4, 12 write two ratios that are in proportion

Answer 1

3:9::4:12
and 3:4::9:12

hope it helps!

Answer 2

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If a : b = c : d Or ( ac = bd )

then a , b , c , d are in

in proportion .

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Here ,

i ) 12 : 4 = 9 : 3

Therefore ,

12 , 4 , 9 , 3 are in proportion.

ii ) 4 : 12 = 3 : 9

Therefore 4 , 12 , 3 , 9 are in

proportional.

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