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Finding the Fourth Proportional to 11,396.92, 17,098.86 and 6,899.08

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Solution

The fourth proportional to 11,396.92, 17,098.86 and 6,899.08 is: 10,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.92 : 17,098.86 = 6,899.08 : x
  2. Step 2: Convert to fraction form
    11,396.92/17,098.86 = 6,899.08/x
  3. Step 3: Cross multiply
    11,396.92x = 17,098.86 × 6,899.08
  4. Step 4: Simplify right side
    11,396.92x = 117,966,403.05
  5. Step 5: Solve for x
    x = 117,966,403.05/11,396.92
  6. Step 6: Final answer
    x = 10,350.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.