Home / 8,105.26-12,141.66-3,716.68

Finding the Fourth Proportional to 8,105.26, 12,141.66 and 3,716.68

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Solution

The fourth proportional to 8,105.26, 12,141.66 and 3,716.68 is: 5,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.26 : 12,141.66 = 3,716.68 : x
  2. Step 2: Convert to fraction form
    8,105.26/12,141.66 = 3,716.68/x
  3. Step 3: Cross multiply
    8,105.26x = 12,141.66 × 3,716.68
  4. Step 4: Simplify right side
    8,105.26x = 45,126,664.89
  5. Step 5: Solve for x
    x = 45,126,664.89/8,105.26
  6. Step 6: Final answer
    x = 5,567.58

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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.