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Finding the Fourth Proportional to 11,246.87, 16,844.03 and 8,891.05

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Solution

The fourth proportional to 11,246.87, 16,844.03 and 8,891.05 is: 13,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.87 : 16,844.03 = 8,891.05 : x
  2. Step 2: Convert to fraction form
    11,246.87/16,844.03 = 8,891.05/x
  3. Step 3: Cross multiply
    11,246.87x = 16,844.03 × 8,891.05
  4. Step 4: Simplify right side
    11,246.87x = 149,761,112.93
  5. Step 5: Solve for x
    x = 149,761,112.93/11,246.87
  6. Step 6: Final answer
    x = 13,315.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.