Home / 8,382.24-12,580.56-3,997.44

Finding the Fourth Proportional to 8,382.24, 12,580.56 and 3,997.44

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Solution

The fourth proportional to 8,382.24, 12,580.56 and 3,997.44 is: 5,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.24 : 12,580.56 = 3,997.44 : x
  2. Step 2: Convert to fraction form
    8,382.24/12,580.56 = 3,997.44/x
  3. Step 3: Cross multiply
    8,382.24x = 12,580.56 × 3,997.44
  4. Step 4: Simplify right side
    8,382.24x = 50,290,033.77
  5. Step 5: Solve for x
    x = 50,290,033.77/8,382.24
  6. Step 6: Final answer
    x = 5,999.59

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1.5x scale

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.