Home / 8,092.55-12,121.20-3,923.73

Finding the Fourth Proportional to 8,092.55, 12,121.20 and 3,923.73

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Solution

The fourth proportional to 8,092.55, 12,121.20 and 3,923.73 is: 5,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.55 : 12,121.20 = 3,923.73 : x
  2. Step 2: Convert to fraction form
    8,092.55/12,121.20 = 3,923.73/x
  3. Step 3: Cross multiply
    8,092.55x = 12,121.20 × 3,923.73
  4. Step 4: Simplify right side
    8,092.55x = 47,560,316.08
  5. Step 5: Solve for x
    x = 47,560,316.08/8,092.55
  6. Step 6: Final answer
    x = 5,877.05

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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.