Home / 10,433.28-15,638.97-4,882.11

Finding the Fourth Proportional to 10,433.28, 15,638.97 and 4,882.11

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Solution

The fourth proportional to 10,433.28, 15,638.97 and 4,882.11 is: 7,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.28 : 15,638.97 = 4,882.11 : x
  2. Step 2: Convert to fraction form
    10,433.28/15,638.97 = 4,882.11/x
  3. Step 3: Cross multiply
    10,433.28x = 15,638.97 × 4,882.11
  4. Step 4: Simplify right side
    10,433.28x = 76,351,171.83
  5. Step 5: Solve for x
    x = 76,351,171.83/10,433.28
  6. Step 6: Final answer
    x = 7,318.04

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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.