Home / 12,251.67-18,346.20-8,079.06

Finding the Fourth Proportional to 12,251.67, 18,346.20 and 8,079.06

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Solution

The fourth proportional to 12,251.67, 18,346.20 and 8,079.06 is: 12,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.67 : 18,346.20 = 8,079.06 : x
  2. Step 2: Convert to fraction form
    12,251.67/18,346.20 = 8,079.06/x
  3. Step 3: Cross multiply
    12,251.67x = 18,346.20 × 8,079.06
  4. Step 4: Simplify right side
    12,251.67x = 148,220,050.57
  5. Step 5: Solve for x
    x = 148,220,050.57/12,251.67
  6. Step 6: Final answer
    x = 12,097.95

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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.