Question

find a fourth proportional to the number 6,8,9

Answer 1

$We \: know \:that ,$

$\pink { Fourth \: proportional \:of \: a,b\:and \:c}\\\pink {= \frac{bc}{a} }$

$Here , a = 6, b = 8 \: and \: c = 9$

$\red { Fourth \: proportional \:of \:6,8 \:and \:9}$

$= \frac{8 \times 9 }{6} \\= \frac{72}{6} \\= 12$

Therefore.,

$\red { Fourth \: proportional \:6,8 \:and \:9}\\\green {= 12 }$

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Answer 2

Answer:

Answer Is 12

Step-by-step explanation:

8×9/6=12

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