Home / 8,827.20-13,240.82-5,542.61

Finding the Fourth Proportional to 8,827.20, 13,240.82 and 5,542.61

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Solution

The fourth proportional to 8,827.20, 13,240.82 and 5,542.61 is: 8,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.20 : 13,240.82 = 5,542.61 : x
  2. Step 2: Convert to fraction form
    8,827.20/13,240.82 = 5,542.61/x
  3. Step 3: Cross multiply
    8,827.20x = 13,240.82 × 5,542.61
  4. Step 4: Simplify right side
    8,827.20x = 73,388,607.42
  5. Step 5: Solve for x
    x = 73,388,607.42/8,827.20
  6. Step 6: Final answer
    x = 8,313.92

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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.