Home / 11,292.38-16,939.62-2,972.46

Finding the Fourth Proportional to 11,292.38, 16,939.62 and 2,972.46

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Solution

The fourth proportional to 11,292.38, 16,939.62 and 2,972.46 is: 4,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.38 : 16,939.62 = 2,972.46 : x
  2. Step 2: Convert to fraction form
    11,292.38/16,939.62 = 2,972.46/x
  3. Step 3: Cross multiply
    11,292.38x = 16,939.62 × 2,972.46
  4. Step 4: Simplify right side
    11,292.38x = 50,352,342.87
  5. Step 5: Solve for x
    x = 50,352,342.87/11,292.38
  6. Step 6: Final answer
    x = 4,458.97

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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.