Home / 10,716.80-16,076.91-3,319.52

Finding the Fourth Proportional to 10,716.80, 16,076.91 and 3,319.52

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Solution

The fourth proportional to 10,716.80, 16,076.91 and 3,319.52 is: 4,979.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.80 : 16,076.91 = 3,319.52 : x
  2. Step 2: Convert to fraction form
    10,716.80/16,076.91 = 3,319.52/x
  3. Step 3: Cross multiply
    10,716.80x = 16,076.91 × 3,319.52
  4. Step 4: Simplify right side
    10,716.80x = 53,367,624.28
  5. Step 5: Solve for x
    x = 53,367,624.28/10,716.80
  6. Step 6: Final answer
    x = 4,979.81

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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.