Home / 8,311.36-12,469.10-2,467.98

Finding the Fourth Proportional to 8,311.36, 12,469.10 and 2,467.98

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Solution

The fourth proportional to 8,311.36, 12,469.10 and 2,467.98 is: 3,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.36 : 12,469.10 = 2,467.98 : x
  2. Step 2: Convert to fraction form
    8,311.36/12,469.10 = 2,467.98/x
  3. Step 3: Cross multiply
    8,311.36x = 12,469.10 × 2,467.98
  4. Step 4: Simplify right side
    8,311.36x = 30,773,489.42
  5. Step 5: Solve for x
    x = 30,773,489.42/8,311.36
  6. Step 6: Final answer
    x = 3,702.58

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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.