Home / 10,873.92-16,310.04-3,081.72

Finding the Fourth Proportional to 10,873.92, 16,310.04 and 3,081.72

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Solution

The fourth proportional to 10,873.92, 16,310.04 and 3,081.72 is: 4,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873.92 : 16,310.04 = 3,081.72 : x
  2. Step 2: Convert to fraction form
    10,873.92/16,310.04 = 3,081.72/x
  3. Step 3: Cross multiply
    10,873.92x = 16,310.04 × 3,081.72
  4. Step 4: Simplify right side
    10,873.92x = 50,262,976.47
  5. Step 5: Solve for x
    x = 50,262,976.47/10,873.92
  6. Step 6: Final answer
    x = 4,622.34

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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.