Home / 11,800.23-16,286.18-8,623.97

Finding the Fourth Proportional to 11,800.23, 16,286.18 and 8,623.97

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Solution

The fourth proportional to 11,800.23, 16,286.18 and 8,623.97 is: 11,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,800.23 : 16,286.18 = 8,623.97 : x
  2. Step 2: Convert to fraction form
    11,800.23/16,286.18 = 8,623.97/x
  3. Step 3: Cross multiply
    11,800.23x = 16,286.18 × 8,623.97
  4. Step 4: Simplify right side
    11,800.23x = 140,451,527.73
  5. Step 5: Solve for x
    x = 140,451,527.73/11,800.23
  6. Step 6: Final answer
    x = 11,902.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.