Home / 8,102.74-11,181.72-4,517.66

Finding the Fourth Proportional to 8,102.74, 11,181.72 and 4,517.66

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Solution

The fourth proportional to 8,102.74, 11,181.72 and 4,517.66 is: 6,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.74 : 11,181.72 = 4,517.66 : x
  2. Step 2: Convert to fraction form
    8,102.74/11,181.72 = 4,517.66/x
  3. Step 3: Cross multiply
    8,102.74x = 11,181.72 × 4,517.66
  4. Step 4: Simplify right side
    8,102.74x = 50,515,130.68
  5. Step 5: Solve for x
    x = 50,515,130.68/8,102.74
  6. Step 6: Final answer
    x = 6,234.33

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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.