Home / 12,234.39-18,350.91-3,469.32

Finding the Fourth Proportional to 12,234.39, 18,350.91 and 3,469.32

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Solution

The fourth proportional to 12,234.39, 18,350.91 and 3,469.32 is: 5,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.39 : 18,350.91 = 3,469.32 : x
  2. Step 2: Convert to fraction form
    12,234.39/18,350.91 = 3,469.32/x
  3. Step 3: Cross multiply
    12,234.39x = 18,350.91 × 3,469.32
  4. Step 4: Simplify right side
    12,234.39x = 63,665,179.08
  5. Step 5: Solve for x
    x = 63,665,179.08/12,234.39
  6. Step 6: Final answer
    x = 5,203.79

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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.