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Finding the Fourth Proportional to 8,694.17, 11,995.12 and 4,916.97

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Solution

The fourth proportional to 8,694.17, 11,995.12 and 4,916.97 is: 6,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.17 : 11,995.12 = 4,916.97 : x
  2. Step 2: Convert to fraction form
    8,694.17/11,995.12 = 4,916.97/x
  3. Step 3: Cross multiply
    8,694.17x = 11,995.12 × 4,916.97
  4. Step 4: Simplify right side
    8,694.17x = 58,979,651.33
  5. Step 5: Solve for x
    x = 58,979,651.33/8,694.17
  6. Step 6: Final answer
    x = 6,783.82

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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.