Home / 10,718.73-16,067.16-4,879.44

Finding the Fourth Proportional to 10,718.73, 16,067.16 and 4,879.44

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Solution

The fourth proportional to 10,718.73, 16,067.16 and 4,879.44 is: 7,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.73 : 16,067.16 = 4,879.44 : x
  2. Step 2: Convert to fraction form
    10,718.73/16,067.16 = 4,879.44/x
  3. Step 3: Cross multiply
    10,718.73x = 16,067.16 × 4,879.44
  4. Step 4: Simplify right side
    10,718.73x = 78,398,743.19
  5. Step 5: Solve for x
    x = 78,398,743.19/10,718.73
  6. Step 6: Final answer
    x = 7,314.18

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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.