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Finding the Fourth Proportional to 8,408.58, 11,519.81 and 8,093.29

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Solution

The fourth proportional to 8,408.58, 11,519.81 and 8,093.29 is: 11,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.58 : 11,519.81 = 8,093.29 : x
  2. Step 2: Convert to fraction form
    8,408.58/11,519.81 = 8,093.29/x
  3. Step 3: Cross multiply
    8,408.58x = 11,519.81 × 8,093.29
  4. Step 4: Simplify right side
    8,408.58x = 93,233,105.48
  5. Step 5: Solve for x
    x = 93,233,105.48/8,408.58
  6. Step 6: Final answer
    x = 11,087.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.