Home / 10,717.07-16,081.07-4,872.92

Finding the Fourth Proportional to 10,717.07, 16,081.07 and 4,872.92

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Solution

The fourth proportional to 10,717.07, 16,081.07 and 4,872.92 is: 7,311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.07 : 16,081.07 = 4,872.92 : x
  2. Step 2: Convert to fraction form
    10,717.07/16,081.07 = 4,872.92/x
  3. Step 3: Cross multiply
    10,717.07x = 16,081.07 × 4,872.92
  4. Step 4: Simplify right side
    10,717.07x = 78,361,662.85
  5. Step 5: Solve for x
    x = 78,361,662.85/10,717.07
  6. Step 6: Final answer
    x = 7,311.86

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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.