Home / 8,229.26-12,370.62-6,603.59

Finding the Fourth Proportional to 8,229.26, 12,370.62 and 6,603.59

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Solution

The fourth proportional to 8,229.26, 12,370.62 and 6,603.59 is: 9,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.26 : 12,370.62 = 6,603.59 : x
  2. Step 2: Convert to fraction form
    8,229.26/12,370.62 = 6,603.59/x
  3. Step 3: Cross multiply
    8,229.26x = 12,370.62 × 6,603.59
  4. Step 4: Simplify right side
    8,229.26x = 81,690,407.65
  5. Step 5: Solve for x
    x = 81,690,407.65/8,229.26
  6. Step 6: Final answer
    x = 9,926.83

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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.