Home / 7,997.12-11,028.51-6,322.52

Finding the Fourth Proportional to 7,997.12, 11,028.51 and 6,322.52

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Solution

The fourth proportional to 7,997.12, 11,028.51 and 6,322.52 is: 8,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.12 : 11,028.51 = 6,322.52 : x
  2. Step 2: Convert to fraction form
    7,997.12/11,028.51 = 6,322.52/x
  3. Step 3: Cross multiply
    7,997.12x = 11,028.51 × 6,322.52
  4. Step 4: Simplify right side
    7,997.12x = 69,727,919.90
  5. Step 5: Solve for x
    x = 69,727,919.90/7,997.12
  6. Step 6: Final answer
    x = 8,719.13

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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.