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Finding the Fourth Proportional to 11,486.37, 15,850.37 and 10,545.28

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Solution

The fourth proportional to 11,486.37, 15,850.37 and 10,545.28 is: 14,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.37 : 15,850.37 = 10,545.28 : x
  2. Step 2: Convert to fraction form
    11,486.37/15,850.37 = 10,545.28/x
  3. Step 3: Cross multiply
    11,486.37x = 15,850.37 × 10,545.28
  4. Step 4: Simplify right side
    11,486.37x = 167,146,589.75
  5. Step 5: Solve for x
    x = 167,146,589.75/11,486.37
  6. Step 6: Final answer
    x = 14,551.73

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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.