find the fourth promotion of 3,12and4
Shanaaya:
promotion..right??
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answer is 16..because 3*16=12*4.
Answered by
0
12×4 = 3×x ( by product of means & product of extremes)
x = 12×4/3
x= 16
fourth proportion is 16
x = 12×4/3
x= 16
fourth proportion is 16
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