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Finding the Fourth Proportional to 9,694.91, 13,380.24 and 5,917.29

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Solution

The fourth proportional to 9,694.91, 13,380.24 and 5,917.29 is: 8,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,694.91 : 13,380.24 = 5,917.29 : x
  2. Step 2: Convert to fraction form
    9,694.91/13,380.24 = 5,917.29/x
  3. Step 3: Cross multiply
    9,694.91x = 13,380.24 × 5,917.29
  4. Step 4: Simplify right side
    9,694.91x = 79,174,774.34
  5. Step 5: Solve for x
    x = 79,174,774.34/9,694.91
  6. Step 6: Final answer
    x = 8,166.63

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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.