Home / 8,175.21-12,253.49-3,722.96

Finding the Fourth Proportional to 8,175.21, 12,253.49 and 3,722.96

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Solution

The fourth proportional to 8,175.21, 12,253.49 and 3,722.96 is: 5,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.21 : 12,253.49 = 3,722.96 : x
  2. Step 2: Convert to fraction form
    8,175.21/12,253.49 = 3,722.96/x
  3. Step 3: Cross multiply
    8,175.21x = 12,253.49 × 3,722.96
  4. Step 4: Simplify right side
    8,175.21x = 45,619,231.80
  5. Step 5: Solve for x
    x = 45,619,231.80/8,175.21
  6. Step 6: Final answer
    x = 5,580.19

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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.