Home / 10,440.14-15,652.17-3,415.90

Finding the Fourth Proportional to 10,440.14, 15,652.17 and 3,415.90

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Solution

The fourth proportional to 10,440.14, 15,652.17 and 3,415.90 is: 5,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.14 : 15,652.17 = 3,415.90 : x
  2. Step 2: Convert to fraction form
    10,440.14/15,652.17 = 3,415.90/x
  3. Step 3: Cross multiply
    10,440.14x = 15,652.17 × 3,415.90
  4. Step 4: Simplify right side
    10,440.14x = 53,466,169.24
  5. Step 5: Solve for x
    x = 53,466,169.24/10,440.14
  6. Step 6: Final answer
    x = 5,121.21

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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.