Home / 8,161.26-12,245.94-3,234.42

Finding the Fourth Proportional to 8,161.26, 12,245.94 and 3,234.42

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Solution

The fourth proportional to 8,161.26, 12,245.94 and 3,234.42 is: 4,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.26 : 12,245.94 = 3,234.42 : x
  2. Step 2: Convert to fraction form
    8,161.26/12,245.94 = 3,234.42/x
  3. Step 3: Cross multiply
    8,161.26x = 12,245.94 × 3,234.42
  4. Step 4: Simplify right side
    8,161.26x = 39,608,513.25
  5. Step 5: Solve for x
    x = 39,608,513.25/8,161.26
  6. Step 6: Final answer
    x = 4,853.24

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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.