Home / 9,563.50-13,167.12-8,067.70

Finding the Fourth Proportional to 9,563.50, 13,167.12 and 8,067.70

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Solution

The fourth proportional to 9,563.50, 13,167.12 and 8,067.70 is: 11,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563.50 : 13,167.12 = 8,067.70 : x
  2. Step 2: Convert to fraction form
    9,563.50/13,167.12 = 8,067.70/x
  3. Step 3: Cross multiply
    9,563.50x = 13,167.12 × 8,067.70
  4. Step 4: Simplify right side
    9,563.50x = 106,228,374.02
  5. Step 5: Solve for x
    x = 106,228,374.02/9,563.50
  6. Step 6: Final answer
    x = 11,107.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.