Home / 12,403.52-18,606.46-4,083.61

Finding the Fourth Proportional to 12,403.52, 18,606.46 and 4,083.61

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Solution

The fourth proportional to 12,403.52, 18,606.46 and 4,083.61 is: 6,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.52 : 18,606.46 = 4,083.61 : x
  2. Step 2: Convert to fraction form
    12,403.52/18,606.46 = 4,083.61/x
  3. Step 3: Cross multiply
    12,403.52x = 18,606.46 × 4,083.61
  4. Step 4: Simplify right side
    12,403.52x = 75,981,526.12
  5. Step 5: Solve for x
    x = 75,981,526.12/12,403.52
  6. Step 6: Final answer
    x = 6,125.80

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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.