Home / 10,358.43-15,529.13-4,115.76

Finding the Fourth Proportional to 10,358.43, 15,529.13 and 4,115.76

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Solution

The fourth proportional to 10,358.43, 15,529.13 and 4,115.76 is: 6,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.43 : 15,529.13 = 4,115.76 : x
  2. Step 2: Convert to fraction form
    10,358.43/15,529.13 = 4,115.76/x
  3. Step 3: Cross multiply
    10,358.43x = 15,529.13 × 4,115.76
  4. Step 4: Simplify right side
    10,358.43x = 63,914,172.09
  5. Step 5: Solve for x
    x = 63,914,172.09/10,358.43
  6. Step 6: Final answer
    x = 6,170.26

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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.