Home / 8,292.61-12,425.88-5,791.33

Finding the Fourth Proportional to 8,292.61, 12,425.88 and 5,791.33

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Solution

The fourth proportional to 8,292.61, 12,425.88 and 5,791.33 is: 8,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.61 : 12,425.88 = 5,791.33 : x
  2. Step 2: Convert to fraction form
    8,292.61/12,425.88 = 5,791.33/x
  3. Step 3: Cross multiply
    8,292.61x = 12,425.88 × 5,791.33
  4. Step 4: Simplify right side
    8,292.61x = 71,962,371.62
  5. Step 5: Solve for x
    x = 71,962,371.62/8,292.61
  6. Step 6: Final answer
    x = 8,677.89

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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.