Home / 10,977.24-16,451.76-5,711.53

Finding the Fourth Proportional to 10,977.24, 16,451.76 and 5,711.53

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Solution

The fourth proportional to 10,977.24, 16,451.76 and 5,711.53 is: 8,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.24 : 16,451.76 = 5,711.53 : x
  2. Step 2: Convert to fraction form
    10,977.24/16,451.76 = 5,711.53/x
  3. Step 3: Cross multiply
    10,977.24x = 16,451.76 × 5,711.53
  4. Step 4: Simplify right side
    10,977.24x = 93,964,731.93
  5. Step 5: Solve for x
    x = 93,964,731.93/10,977.24
  6. Step 6: Final answer
    x = 8,559.96

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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.