Home / 8,099.85-11,174.51-4,957.86

Finding the Fourth Proportional to 8,099.85, 11,174.51 and 4,957.86

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Solution

The fourth proportional to 8,099.85, 11,174.51 and 4,957.86 is: 6,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.85 : 11,174.51 = 4,957.86 : x
  2. Step 2: Convert to fraction form
    8,099.85/11,174.51 = 4,957.86/x
  3. Step 3: Cross multiply
    8,099.85x = 11,174.51 × 4,957.86
  4. Step 4: Simplify right side
    8,099.85x = 55,401,619.70
  5. Step 5: Solve for x
    x = 55,401,619.70/8,099.85
  6. Step 6: Final answer
    x = 6,839.83

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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.