Home / 12,249.03-18,377.65-4,855.61

Finding the Fourth Proportional to 12,249.03, 18,377.65 and 4,855.61

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Solution

The fourth proportional to 12,249.03, 18,377.65 and 4,855.61 is: 7,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.03 : 18,377.65 = 4,855.61 : x
  2. Step 2: Convert to fraction form
    12,249.03/18,377.65 = 4,855.61/x
  3. Step 3: Cross multiply
    12,249.03x = 18,377.65 × 4,855.61
  4. Step 4: Simplify right side
    12,249.03x = 89,234,753.13
  5. Step 5: Solve for x
    x = 89,234,753.13/12,249.03
  6. Step 6: Final answer
    x = 7,285.04

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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.