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Finding the Fourth Proportional to 11,753.25, 16,219.97 and 6,785.25

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Solution

The fourth proportional to 11,753.25, 16,219.97 and 6,785.25 is: 9,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.25 : 16,219.97 = 6,785.25 : x
  2. Step 2: Convert to fraction form
    11,753.25/16,219.97 = 6,785.25/x
  3. Step 3: Cross multiply
    11,753.25x = 16,219.97 × 6,785.25
  4. Step 4: Simplify right side
    11,753.25x = 110,056,551.44
  5. Step 5: Solve for x
    x = 110,056,551.44/11,753.25
  6. Step 6: Final answer
    x = 9,363.92

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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.