Home / 8,079.26-12,103.08-5,297.44

Finding the Fourth Proportional to 8,079.26, 12,103.08 and 5,297.44

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Solution

The fourth proportional to 8,079.26, 12,103.08 and 5,297.44 is: 7,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.26 : 12,103.08 = 5,297.44 : x
  2. Step 2: Convert to fraction form
    8,079.26/12,103.08 = 5,297.44/x
  3. Step 3: Cross multiply
    8,079.26x = 12,103.08 × 5,297.44
  4. Step 4: Simplify right side
    8,079.26x = 64,115,340.12
  5. Step 5: Solve for x
    x = 64,115,340.12/8,079.26
  6. Step 6: Final answer
    x = 7,935.79

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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.