Home / 8,250.58-12,372.81-3,318.54

Finding the Fourth Proportional to 8,250.58, 12,372.81 and 3,318.54

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Solution

The fourth proportional to 8,250.58, 12,372.81 and 3,318.54 is: 4,976.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.58 : 12,372.81 = 3,318.54 : x
  2. Step 2: Convert to fraction form
    8,250.58/12,372.81 = 3,318.54/x
  3. Step 3: Cross multiply
    8,250.58x = 12,372.81 × 3,318.54
  4. Step 4: Simplify right side
    8,250.58x = 41,059,664.90
  5. Step 5: Solve for x
    x = 41,059,664.90/8,250.58
  6. Step 6: Final answer
    x = 4,976.58

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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.