Home / 8,311.60-12,469.46-2,468.21

Finding the Fourth Proportional to 8,311.60, 12,469.46 and 2,468.21

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Solution

The fourth proportional to 8,311.60, 12,469.46 and 2,468.21 is: 3,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.60 : 12,469.46 = 2,468.21 : x
  2. Step 2: Convert to fraction form
    8,311.60/12,469.46 = 2,468.21/x
  3. Step 3: Cross multiply
    8,311.60x = 12,469.46 × 2,468.21
  4. Step 4: Simplify right side
    8,311.60x = 30,777,245.87
  5. Step 5: Solve for x
    x = 30,777,245.87/8,311.60
  6. Step 6: Final answer
    x = 3,702.93

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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.