Home / 8,716.74-13,072.92-3,169.08

Finding the Fourth Proportional to 8,716.74, 13,072.92 and 3,169.08

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Solution

The fourth proportional to 8,716.74, 13,072.92 and 3,169.08 is: 4,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.74 : 13,072.92 = 3,169.08 : x
  2. Step 2: Convert to fraction form
    8,716.74/13,072.92 = 3,169.08/x
  3. Step 3: Cross multiply
    8,716.74x = 13,072.92 × 3,169.08
  4. Step 4: Simplify right side
    8,716.74x = 41,429,129.31
  5. Step 5: Solve for x
    x = 41,429,129.31/8,716.74
  6. Step 6: Final answer
    x = 4,752.82

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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.