Home / 7,249.20-10,872.24-3,349.92

Finding the Fourth Proportional to 7,249.20, 10,872.24 and 3,349.92

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Solution

The fourth proportional to 7,249.20, 10,872.24 and 3,349.92 is: 5,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.20 : 10,872.24 = 3,349.92 : x
  2. Step 2: Convert to fraction form
    7,249.20/10,872.24 = 3,349.92/x
  3. Step 3: Cross multiply
    7,249.20x = 10,872.24 × 3,349.92
  4. Step 4: Simplify right side
    7,249.20x = 36,421,134.22
  5. Step 5: Solve for x
    x = 36,421,134.22/7,249.20
  6. Step 6: Final answer
    x = 5,024.16

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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.