Home / 12,534.24-18,805.05-3,770.49

Finding the Fourth Proportional to 12,534.24, 18,805.05 and 3,770.49

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Solution

The fourth proportional to 12,534.24, 18,805.05 and 3,770.49 is: 5,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.24 : 18,805.05 = 3,770.49 : x
  2. Step 2: Convert to fraction form
    12,534.24/18,805.05 = 3,770.49/x
  3. Step 3: Cross multiply
    12,534.24x = 18,805.05 × 3,770.49
  4. Step 4: Simplify right side
    12,534.24x = 70,904,252.97
  5. Step 5: Solve for x
    x = 70,904,252.97/12,534.24
  6. Step 6: Final answer
    x = 5,656.85

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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.