Home / 10,552.76-15,829.17-4,312.79

Finding the Fourth Proportional to 10,552.76, 15,829.17 and 4,312.79

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Solution

The fourth proportional to 10,552.76, 15,829.17 and 4,312.79 is: 6,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.76 : 15,829.17 = 4,312.79 : x
  2. Step 2: Convert to fraction form
    10,552.76/15,829.17 = 4,312.79/x
  3. Step 3: Cross multiply
    10,552.76x = 15,829.17 × 4,312.79
  4. Step 4: Simplify right side
    10,552.76x = 68,267,963.42
  5. Step 5: Solve for x
    x = 68,267,963.42/10,552.76
  6. Step 6: Final answer
    x = 6,469.20

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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.