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Finding the Fourth Proportional to 11,550.66, 15,944.21 and 8,993.34

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Solution

The fourth proportional to 11,550.66, 15,944.21 and 8,993.34 is: 12,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.66 : 15,944.21 = 8,993.34 : x
  2. Step 2: Convert to fraction form
    11,550.66/15,944.21 = 8,993.34/x
  3. Step 3: Cross multiply
    11,550.66x = 15,944.21 × 8,993.34
  4. Step 4: Simplify right side
    11,550.66x = 143,391,701.56
  5. Step 5: Solve for x
    x = 143,391,701.56/11,550.66
  6. Step 6: Final answer
    x = 12,414.16

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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.