Home / 10,367.20-15,553.92-5,436.22

Finding the Fourth Proportional to 10,367.20, 15,553.92 and 5,436.22

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Solution

The fourth proportional to 10,367.20, 15,553.92 and 5,436.22 is: 8,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.20 : 15,553.92 = 5,436.22 : x
  2. Step 2: Convert to fraction form
    10,367.20/15,553.92 = 5,436.22/x
  3. Step 3: Cross multiply
    10,367.20x = 15,553.92 × 5,436.22
  4. Step 4: Simplify right side
    10,367.20x = 84,554,530.98
  5. Step 5: Solve for x
    x = 84,554,530.98/10,367.20
  6. Step 6: Final answer
    x = 8,155.97

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1.5x scale

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.