Home / 10,716.22-16,067.87-4,789.91

Finding the Fourth Proportional to 10,716.22, 16,067.87 and 4,789.91

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Solution

The fourth proportional to 10,716.22, 16,067.87 and 4,789.91 is: 7,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.22 : 16,067.87 = 4,789.91 : x
  2. Step 2: Convert to fraction form
    10,716.22/16,067.87 = 4,789.91/x
  3. Step 3: Cross multiply
    10,716.22x = 16,067.87 × 4,789.91
  4. Step 4: Simplify right side
    10,716.22x = 76,963,640.18
  5. Step 5: Solve for x
    x = 76,963,640.18/10,716.22
  6. Step 6: Final answer
    x = 7,181.97

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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.