Home / 8,697.31-11,997.69-6,180.44

Finding the Fourth Proportional to 8,697.31, 11,997.69 and 6,180.44

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Solution

The fourth proportional to 8,697.31, 11,997.69 and 6,180.44 is: 8,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.31 : 11,997.69 = 6,180.44 : x
  2. Step 2: Convert to fraction form
    8,697.31/11,997.69 = 6,180.44/x
  3. Step 3: Cross multiply
    8,697.31x = 11,997.69 × 6,180.44
  4. Step 4: Simplify right side
    8,697.31x = 74,150,912.29
  5. Step 5: Solve for x
    x = 74,150,912.29/8,697.31
  6. Step 6: Final answer
    x = 8,525.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.