Home / 10,610.12-15,915.18-4,766.28

Finding the Fourth Proportional to 10,610.12, 15,915.18 and 4,766.28

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Solution

The fourth proportional to 10,610.12, 15,915.18 and 4,766.28 is: 7,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.12 : 15,915.18 = 4,766.28 : x
  2. Step 2: Convert to fraction form
    10,610.12/15,915.18 = 4,766.28/x
  3. Step 3: Cross multiply
    10,610.12x = 15,915.18 × 4,766.28
  4. Step 4: Simplify right side
    10,610.12x = 75,856,204.13
  5. Step 5: Solve for x
    x = 75,856,204.13/10,610.12
  6. Step 6: Final answer
    x = 7,149.42

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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.