Home / 12,229.13-16,876.44-7,449.27

Finding the Fourth Proportional to 12,229.13, 16,876.44 and 7,449.27

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Solution

The fourth proportional to 12,229.13, 16,876.44 and 7,449.27 is: 10,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.13 : 16,876.44 = 7,449.27 : x
  2. Step 2: Convert to fraction form
    12,229.13/16,876.44 = 7,449.27/x
  3. Step 3: Cross multiply
    12,229.13x = 16,876.44 × 7,449.27
  4. Step 4: Simplify right side
    12,229.13x = 125,717,158.20
  5. Step 5: Solve for x
    x = 125,717,158.20/12,229.13
  6. Step 6: Final answer
    x = 10,280.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.