Home / 12,524.91-18,757.55-7,248.81

Finding the Fourth Proportional to 12,524.91, 18,757.55 and 7,248.81

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Solution

The fourth proportional to 12,524.91, 18,757.55 and 7,248.81 is: 10,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.91 : 18,757.55 = 7,248.81 : x
  2. Step 2: Convert to fraction form
    12,524.91/18,757.55 = 7,248.81/x
  3. Step 3: Cross multiply
    12,524.91x = 18,757.55 × 7,248.81
  4. Step 4: Simplify right side
    12,524.91x = 135,969,879.77
  5. Step 5: Solve for x
    x = 135,969,879.77/12,524.91
  6. Step 6: Final answer
    x = 10,855.96

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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.