Home / 10,367.16-15,553.40-2,972.13

Finding the Fourth Proportional to 10,367.16, 15,553.40 and 2,972.13

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Solution

The fourth proportional to 10,367.16, 15,553.40 and 2,972.13 is: 4,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.16 : 15,553.40 = 2,972.13 : x
  2. Step 2: Convert to fraction form
    10,367.16/15,553.40 = 2,972.13/x
  3. Step 3: Cross multiply
    10,367.16x = 15,553.40 × 2,972.13
  4. Step 4: Simplify right side
    10,367.16x = 46,226,711.88
  5. Step 5: Solve for x
    x = 46,226,711.88/10,367.16
  6. Step 6: Final answer
    x = 4,458.96

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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.