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Finding the Fourth Proportional to 11,882.92, 16,394.66 and 6,913.96

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Solution

The fourth proportional to 11,882.92, 16,394.66 and 6,913.96 is: 9,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.92 : 16,394.66 = 6,913.96 : x
  2. Step 2: Convert to fraction form
    11,882.92/16,394.66 = 6,913.96/x
  3. Step 3: Cross multiply
    11,882.92x = 16,394.66 × 6,913.96
  4. Step 4: Simplify right side
    11,882.92x = 113,352,023.45
  5. Step 5: Solve for x
    x = 113,352,023.45/11,882.92
  6. Step 6: Final answer
    x = 9,539.07

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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.