Home / 11,572.46-17,358.79-2,807.38

Finding the Fourth Proportional to 11,572.46, 17,358.79 and 2,807.38

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Solution

The fourth proportional to 11,572.46, 17,358.79 and 2,807.38 is: 4,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.46 : 17,358.79 = 2,807.38 : x
  2. Step 2: Convert to fraction form
    11,572.46/17,358.79 = 2,807.38/x
  3. Step 3: Cross multiply
    11,572.46x = 17,358.79 × 2,807.38
  4. Step 4: Simplify right side
    11,572.46x = 48,732,719.87
  5. Step 5: Solve for x
    x = 48,732,719.87/11,572.46
  6. Step 6: Final answer
    x = 4,211.09

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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.