Home / 10,481.33-15,721.97-3,085.77

Finding the Fourth Proportional to 10,481.33, 15,721.97 and 3,085.77

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Solution

The fourth proportional to 10,481.33, 15,721.97 and 3,085.77 is: 4,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.33 : 15,721.97 = 3,085.77 : x
  2. Step 2: Convert to fraction form
    10,481.33/15,721.97 = 3,085.77/x
  3. Step 3: Cross multiply
    10,481.33x = 15,721.97 × 3,085.77
  4. Step 4: Simplify right side
    10,481.33x = 48,514,367.94
  5. Step 5: Solve for x
    x = 48,514,367.94/10,481.33
  6. Step 6: Final answer
    x = 4,628.65

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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.