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Finding the Fourth Proportional to 8,694.54, 11,996.10 and 5,336.69

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Solution

The fourth proportional to 8,694.54, 11,996.10 and 5,336.69 is: 7,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.54 : 11,996.10 = 5,336.69 : x
  2. Step 2: Convert to fraction form
    8,694.54/11,996.10 = 5,336.69/x
  3. Step 3: Cross multiply
    8,694.54x = 11,996.10 × 5,336.69
  4. Step 4: Simplify right side
    8,694.54x = 64,019,406.93
  5. Step 5: Solve for x
    x = 64,019,406.93/8,694.54
  6. Step 6: Final answer
    x = 7,363.17

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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.