Home / 10,717.29-16,071.24-6,279.69

Finding the Fourth Proportional to 10,717.29, 16,071.24 and 6,279.69

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Solution

The fourth proportional to 10,717.29, 16,071.24 and 6,279.69 is: 9,416.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.29 : 16,071.24 = 6,279.69 : x
  2. Step 2: Convert to fraction form
    10,717.29/16,071.24 = 6,279.69/x
  3. Step 3: Cross multiply
    10,717.29x = 16,071.24 × 6,279.69
  4. Step 4: Simplify right side
    10,717.29x = 100,922,405.12
  5. Step 5: Solve for x
    x = 100,922,405.12/10,717.29
  6. Step 6: Final answer
    x = 9,416.78

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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.