Home / 8,067.24-12,105.52-3,386.84

Finding the Fourth Proportional to 8,067.24, 12,105.52 and 3,386.84

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Solution

The fourth proportional to 8,067.24, 12,105.52 and 3,386.84 is: 5,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,067.24 : 12,105.52 = 3,386.84 : x
  2. Step 2: Convert to fraction form
    8,067.24/12,105.52 = 3,386.84/x
  3. Step 3: Cross multiply
    8,067.24x = 12,105.52 × 3,386.84
  4. Step 4: Simplify right side
    8,067.24x = 40,999,459.36
  5. Step 5: Solve for x
    x = 40,999,459.36/8,067.24
  6. Step 6: Final answer
    x = 5,082.22

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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.