Home / 8,380.67-12,573.73-3,997.56

Finding the Fourth Proportional to 8,380.67, 12,573.73 and 3,997.56

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Solution

The fourth proportional to 8,380.67, 12,573.73 and 3,997.56 is: 5,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.67 : 12,573.73 = 3,997.56 : x
  2. Step 2: Convert to fraction form
    8,380.67/12,573.73 = 3,997.56/x
  3. Step 3: Cross multiply
    8,380.67x = 12,573.73 × 3,997.56
  4. Step 4: Simplify right side
    8,380.67x = 50,264,187.22
  5. Step 5: Solve for x
    x = 50,264,187.22/8,380.67
  6. Step 6: Final answer
    x = 5,997.64

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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.