Home / 11,962.72-17,944.08-5,721.26

Finding the Fourth Proportional to 11,962.72, 17,944.08 and 5,721.26

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Solution

The fourth proportional to 11,962.72, 17,944.08 and 5,721.26 is: 8,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.72 : 17,944.08 = 5,721.26 : x
  2. Step 2: Convert to fraction form
    11,962.72/17,944.08 = 5,721.26/x
  3. Step 3: Cross multiply
    11,962.72x = 17,944.08 × 5,721.26
  4. Step 4: Simplify right side
    11,962.72x = 102,662,747.14
  5. Step 5: Solve for x
    x = 102,662,747.14/11,962.72
  6. Step 6: Final answer
    x = 8,581.89

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.