Multiple Choice Questions on Find the fourth proportional to 3 6 6 9 and 11 4 ........ for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

Find the fourth proportional to 3 6 6 9 and 11 4 ........

Quantitative Aptitude (RRB NTPC) Ratio, Proportion
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    Find the fourth proportional to 3.6, 6.9 and 11.4

    20.3

    Incorrect Answer

    18.9

    Incorrect Answer

    19.6

    Incorrect Answer

    21.9

    Correct Answer
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    Explanation:
    Let the fourth proportional is x
    3.6/6.9= 11.4/x
    x = 21.85
    assuming the nearest possible answer the answer is option 4

    By: Barka Mirza
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