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Finding the Fourth Proportional to 8,494.59, 11,715.21 and 5,975.85

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Solution

The fourth proportional to 8,494.59, 11,715.21 and 5,975.85 is: 8,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.59 : 11,715.21 = 5,975.85 : x
  2. Step 2: Convert to fraction form
    8,494.59/11,715.21 = 5,975.85/x
  3. Step 3: Cross multiply
    8,494.59x = 11,715.21 × 5,975.85
  4. Step 4: Simplify right side
    8,494.59x = 70,008,337.68
  5. Step 5: Solve for x
    x = 70,008,337.68/8,494.59
  6. Step 6: Final answer
    x = 8,241.52

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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.