Home / 8,292.88-12,440.58-2,747.62

Finding the Fourth Proportional to 8,292.88, 12,440.58 and 2,747.62

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Solution

The fourth proportional to 8,292.88, 12,440.58 and 2,747.62 is: 4,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.88 : 12,440.58 = 2,747.62 : x
  2. Step 2: Convert to fraction form
    8,292.88/12,440.58 = 2,747.62/x
  3. Step 3: Cross multiply
    8,292.88x = 12,440.58 × 2,747.62
  4. Step 4: Simplify right side
    8,292.88x = 34,181,986.42
  5. Step 5: Solve for x
    x = 34,181,986.42/8,292.88
  6. Step 6: Final answer
    x = 4,121.85

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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.