Home / 10,318.28-15,472.22-5,053.68

Finding the Fourth Proportional to 10,318.28, 15,472.22 and 5,053.68

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Solution

The fourth proportional to 10,318.28, 15,472.22 and 5,053.68 is: 7,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.28 : 15,472.22 = 5,053.68 : x
  2. Step 2: Convert to fraction form
    10,318.28/15,472.22 = 5,053.68/x
  3. Step 3: Cross multiply
    10,318.28x = 15,472.22 × 5,053.68
  4. Step 4: Simplify right side
    10,318.28x = 78,191,623.50
  5. Step 5: Solve for x
    x = 78,191,623.50/10,318.28
  6. Step 6: Final answer
    x = 7,577.97

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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.