Home / 8,793.24-12,135.85-5,207.92

Finding the Fourth Proportional to 8,793.24, 12,135.85 and 5,207.92

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Solution

The fourth proportional to 8,793.24, 12,135.85 and 5,207.92 is: 7,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.24 : 12,135.85 = 5,207.92 : x
  2. Step 2: Convert to fraction form
    8,793.24/12,135.85 = 5,207.92/x
  3. Step 3: Cross multiply
    8,793.24x = 12,135.85 × 5,207.92
  4. Step 4: Simplify right side
    8,793.24x = 63,202,486.48
  5. Step 5: Solve for x
    x = 63,202,486.48/8,793.24
  6. Step 6: Final answer
    x = 7,187.62

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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.