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Finding the Fourth Proportional to 8,617.63, 11,896.84 and 5,799.82

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Solution

The fourth proportional to 8,617.63, 11,896.84 and 5,799.82 is: 8,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.63 : 11,896.84 = 5,799.82 : x
  2. Step 2: Convert to fraction form
    8,617.63/11,896.84 = 5,799.82/x
  3. Step 3: Cross multiply
    8,617.63x = 11,896.84 × 5,799.82
  4. Step 4: Simplify right side
    8,617.63x = 68,999,530.57
  5. Step 5: Solve for x
    x = 68,999,530.57/8,617.63
  6. Step 6: Final answer
    x = 8,006.79

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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.