Home / 8,272.13-12,401.22-3,588.61

Finding the Fourth Proportional to 8,272.13, 12,401.22 and 3,588.61

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Solution

The fourth proportional to 8,272.13, 12,401.22 and 3,588.61 is: 5,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.13 : 12,401.22 = 3,588.61 : x
  2. Step 2: Convert to fraction form
    8,272.13/12,401.22 = 3,588.61/x
  3. Step 3: Cross multiply
    8,272.13x = 12,401.22 × 3,588.61
  4. Step 4: Simplify right side
    8,272.13x = 44,503,127.62
  5. Step 5: Solve for x
    x = 44,503,127.62/8,272.13
  6. Step 6: Final answer
    x = 5,379.89

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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.