Home / 8,252.43-12,375.48-3,320.37

Finding the Fourth Proportional to 8,252.43, 12,375.48 and 3,320.37

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Solution

The fourth proportional to 8,252.43, 12,375.48 and 3,320.37 is: 4,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.43 : 12,375.48 = 3,320.37 : x
  2. Step 2: Convert to fraction form
    8,252.43/12,375.48 = 3,320.37/x
  3. Step 3: Cross multiply
    8,252.43x = 12,375.48 × 3,320.37
  4. Step 4: Simplify right side
    8,252.43x = 41,091,172.53
  5. Step 5: Solve for x
    x = 41,091,172.53/8,252.43
  6. Step 6: Final answer
    x = 4,979.28

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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.