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Finding the Fourth Proportional to 8,791.95, 12,135.06 and 5,964.05

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Solution

The fourth proportional to 8,791.95, 12,135.06 and 5,964.05 is: 8,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.95 : 12,135.06 = 5,964.05 : x
  2. Step 2: Convert to fraction form
    8,791.95/12,135.06 = 5,964.05/x
  3. Step 3: Cross multiply
    8,791.95x = 12,135.06 × 5,964.05
  4. Step 4: Simplify right side
    8,791.95x = 72,374,043.92
  5. Step 5: Solve for x
    x = 72,374,043.92/8,791.95
  6. Step 6: Final answer
    x = 8,231.85

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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.