Home / 8,786.22-13,182.58-4,107.75

Finding the Fourth Proportional to 8,786.22, 13,182.58 and 4,107.75

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Solution

The fourth proportional to 8,786.22, 13,182.58 and 4,107.75 is: 6,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.22 : 13,182.58 = 4,107.75 : x
  2. Step 2: Convert to fraction form
    8,786.22/13,182.58 = 4,107.75/x
  3. Step 3: Cross multiply
    8,786.22x = 13,182.58 × 4,107.75
  4. Step 4: Simplify right side
    8,786.22x = 54,150,698.70
  5. Step 5: Solve for x
    x = 54,150,698.70/8,786.22
  6. Step 6: Final answer
    x = 6,163.14

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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.