Home / 7,997.72-11,028.48-6,882.44

Finding the Fourth Proportional to 7,997.72, 11,028.48 and 6,882.44

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Solution

The fourth proportional to 7,997.72, 11,028.48 and 6,882.44 is: 9,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.72 : 11,028.48 = 6,882.44 : x
  2. Step 2: Convert to fraction form
    7,997.72/11,028.48 = 6,882.44/x
  3. Step 3: Cross multiply
    7,997.72x = 11,028.48 × 6,882.44
  4. Step 4: Simplify right side
    7,997.72x = 75,902,851.89
  5. Step 5: Solve for x
    x = 75,902,851.89/7,997.72
  6. Step 6: Final answer
    x = 9,490.56

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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.