Home / 11,744.38-17,616.66-2,979.28

Finding the Fourth Proportional to 11,744.38, 17,616.66 and 2,979.28

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Solution

The fourth proportional to 11,744.38, 17,616.66 and 2,979.28 is: 4,468.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.38 : 17,616.66 = 2,979.28 : x
  2. Step 2: Convert to fraction form
    11,744.38/17,616.66 = 2,979.28/x
  3. Step 3: Cross multiply
    11,744.38x = 17,616.66 × 2,979.28
  4. Step 4: Simplify right side
    11,744.38x = 52,484,962.80
  5. Step 5: Solve for x
    x = 52,484,962.80/11,744.38
  6. Step 6: Final answer
    x = 4,468.94

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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.