Home / 7,669.72-11,505.79-2,474.38

Finding the Fourth Proportional to 7,669.72, 11,505.79 and 2,474.38

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Solution

The fourth proportional to 7,669.72, 11,505.79 and 2,474.38 is: 3,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.72 : 11,505.79 = 2,474.38 : x
  2. Step 2: Convert to fraction form
    7,669.72/11,505.79 = 2,474.38/x
  3. Step 3: Cross multiply
    7,669.72x = 11,505.79 × 2,474.38
  4. Step 4: Simplify right side
    7,669.72x = 28,469,639.13
  5. Step 5: Solve for x
    x = 28,469,639.13/7,669.72
  6. Step 6: Final answer
    x = 3,711.96

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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.