Home / 10,500.30-15,753.32-3,104.76

Finding the Fourth Proportional to 10,500.30, 15,753.32 and 3,104.76

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Solution

The fourth proportional to 10,500.30, 15,753.32 and 3,104.76 is: 4,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.30 : 15,753.32 = 3,104.76 : x
  2. Step 2: Convert to fraction form
    10,500.30/15,753.32 = 3,104.76/x
  3. Step 3: Cross multiply
    10,500.30x = 15,753.32 × 3,104.76
  4. Step 4: Simplify right side
    10,500.30x = 48,910,277.80
  5. Step 5: Solve for x
    x = 48,910,277.80/10,500.30
  6. Step 6: Final answer
    x = 4,657.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.