Home / 8,136.91-11,229.42-4,600.45

Finding the Fourth Proportional to 8,136.91, 11,229.42 and 4,600.45

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Solution

The fourth proportional to 8,136.91, 11,229.42 and 4,600.45 is: 6,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.91 : 11,229.42 = 4,600.45 : x
  2. Step 2: Convert to fraction form
    8,136.91/11,229.42 = 4,600.45/x
  3. Step 3: Cross multiply
    8,136.91x = 11,229.42 × 4,600.45
  4. Step 4: Simplify right side
    8,136.91x = 51,660,385.24
  5. Step 5: Solve for x
    x = 51,660,385.24/8,136.91
  6. Step 6: Final answer
    x = 6,348.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.