Home / 12,092.68-18,139.38-3,327.76

Finding the Fourth Proportional to 12,092.68, 18,139.38 and 3,327.76

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Solution

The fourth proportional to 12,092.68, 18,139.38 and 3,327.76 is: 4,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.68 : 18,139.38 = 3,327.76 : x
  2. Step 2: Convert to fraction form
    12,092.68/18,139.38 = 3,327.76/x
  3. Step 3: Cross multiply
    12,092.68x = 18,139.38 × 3,327.76
  4. Step 4: Simplify right side
    12,092.68x = 60,363,503.19
  5. Step 5: Solve for x
    x = 60,363,503.19/12,092.68
  6. Step 6: Final answer
    x = 4,991.74

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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.