Home / 11,136.20-16,704.30-3,740.90

Finding the Fourth Proportional to 11,136.20, 16,704.30 and 3,740.90

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Solution

The fourth proportional to 11,136.20, 16,704.30 and 3,740.90 is: 5,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.20 : 16,704.30 = 3,740.90 : x
  2. Step 2: Convert to fraction form
    11,136.20/16,704.30 = 3,740.90/x
  3. Step 3: Cross multiply
    11,136.20x = 16,704.30 × 3,740.90
  4. Step 4: Simplify right side
    11,136.20x = 62,489,115.87
  5. Step 5: Solve for x
    x = 62,489,115.87/11,136.20
  6. Step 6: Final answer
    x = 5,611.35

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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.