Home / 8,223.26-12,336.92-2,380.46

Finding the Fourth Proportional to 8,223.26, 12,336.92 and 2,380.46

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Solution

The fourth proportional to 8,223.26, 12,336.92 and 2,380.46 is: 3,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.26 : 12,336.92 = 2,380.46 : x
  2. Step 2: Convert to fraction form
    8,223.26/12,336.92 = 2,380.46/x
  3. Step 3: Cross multiply
    8,223.26x = 12,336.92 × 2,380.46
  4. Step 4: Simplify right side
    8,223.26x = 29,367,532.68
  5. Step 5: Solve for x
    x = 29,367,532.68/8,223.26
  6. Step 6: Final answer
    x = 3,571.28

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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.