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Finding the Fourth Proportional to 8,617.13, 11,896.16 and 5,799.32

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Solution

The fourth proportional to 8,617.13, 11,896.16 and 5,799.32 is: 8,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.13 : 11,896.16 = 5,799.32 : x
  2. Step 2: Convert to fraction form
    8,617.13/11,896.16 = 5,799.32/x
  3. Step 3: Cross multiply
    8,617.13x = 11,896.16 × 5,799.32
  4. Step 4: Simplify right side
    8,617.13x = 68,989,638.61
  5. Step 5: Solve for x
    x = 68,989,638.61/8,617.13
  6. Step 6: Final answer
    x = 8,006.10

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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.