Home / 12,124.33-18,196.22-6,282.61

Finding the Fourth Proportional to 12,124.33, 18,196.22 and 6,282.61

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Solution

The fourth proportional to 12,124.33, 18,196.22 and 6,282.61 is: 9,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.33 : 18,196.22 = 6,282.61 : x
  2. Step 2: Convert to fraction form
    12,124.33/18,196.22 = 6,282.61/x
  3. Step 3: Cross multiply
    12,124.33x = 18,196.22 × 6,282.61
  4. Step 4: Simplify right side
    12,124.33x = 114,319,753.73
  5. Step 5: Solve for x
    x = 114,319,753.73/12,124.33
  6. Step 6: Final answer
    x = 9,428.95

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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.