Home / 10,402.32-15,595.28-5,469.36

Finding the Fourth Proportional to 10,402.32, 15,595.28 and 5,469.36

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Solution

The fourth proportional to 10,402.32, 15,595.28 and 5,469.36 is: 8,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.32 : 15,595.28 = 5,469.36 : x
  2. Step 2: Convert to fraction form
    10,402.32/15,595.28 = 5,469.36/x
  3. Step 3: Cross multiply
    10,402.32x = 15,595.28 × 5,469.36
  4. Step 4: Simplify right side
    10,402.32x = 85,296,200.62
  5. Step 5: Solve for x
    x = 85,296,200.62/10,402.32
  6. Step 6: Final answer
    x = 8,199.73

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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.