Home / 9,268.15-12,791.97-8,520.92

Finding the Fourth Proportional to 9,268.15, 12,791.97 and 8,520.92

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Solution

The fourth proportional to 9,268.15, 12,791.97 and 8,520.92 is: 11,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.15 : 12,791.97 = 8,520.92 : x
  2. Step 2: Convert to fraction form
    9,268.15/12,791.97 = 8,520.92/x
  3. Step 3: Cross multiply
    9,268.15x = 12,791.97 × 8,520.92
  4. Step 4: Simplify right side
    9,268.15x = 108,999,392.96
  5. Step 5: Solve for x
    x = 108,999,392.96/9,268.15
  6. Step 6: Final answer
    x = 11,760.65

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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.