Home / 10,135.92-15,207.10-3,564.38

Finding the Fourth Proportional to 10,135.92, 15,207.10 and 3,564.38

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Solution

The fourth proportional to 10,135.92, 15,207.10 and 3,564.38 is: 5,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.92 : 15,207.10 = 3,564.38 : x
  2. Step 2: Convert to fraction form
    10,135.92/15,207.10 = 3,564.38/x
  3. Step 3: Cross multiply
    10,135.92x = 15,207.10 × 3,564.38
  4. Step 4: Simplify right side
    10,135.92x = 54,203,883.10
  5. Step 5: Solve for x
    x = 54,203,883.10/10,135.92
  6. Step 6: Final answer
    x = 5,347.70

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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.