Home / 11,358.68-17,031.33-4,781.30

Finding the Fourth Proportional to 11,358.68, 17,031.33 and 4,781.30

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Solution

The fourth proportional to 11,358.68, 17,031.33 and 4,781.30 is: 7,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.68 : 17,031.33 = 4,781.30 : x
  2. Step 2: Convert to fraction form
    11,358.68/17,031.33 = 4,781.30/x
  3. Step 3: Cross multiply
    11,358.68x = 17,031.33 × 4,781.30
  4. Step 4: Simplify right side
    11,358.68x = 81,431,812.97
  5. Step 5: Solve for x
    x = 81,431,812.97/11,358.68
  6. Step 6: Final answer
    x = 7,169.13

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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.