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Finding the Fourth Proportional to 12,230.52, 16,879.16 and 7,516.44

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Solution

The fourth proportional to 12,230.52, 16,879.16 and 7,516.44 is: 10,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.52 : 16,879.16 = 7,516.44 : x
  2. Step 2: Convert to fraction form
    12,230.52/16,879.16 = 7,516.44/x
  3. Step 3: Cross multiply
    12,230.52x = 16,879.16 × 7,516.44
  4. Step 4: Simplify right side
    12,230.52x = 126,871,193.39
  5. Step 5: Solve for x
    x = 126,871,193.39/12,230.52
  6. Step 6: Final answer
    x = 10,373.33

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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.