Home / 11,850.45-16,344.18-7,371.54

Finding the Fourth Proportional to 11,850.45, 16,344.18 and 7,371.54

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Solution

The fourth proportional to 11,850.45, 16,344.18 and 7,371.54 is: 10,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.45 : 16,344.18 = 7,371.54 : x
  2. Step 2: Convert to fraction form
    11,850.45/16,344.18 = 7,371.54/x
  3. Step 3: Cross multiply
    11,850.45x = 16,344.18 × 7,371.54
  4. Step 4: Simplify right side
    11,850.45x = 120,481,776.64
  5. Step 5: Solve for x
    x = 120,481,776.64/11,850.45
  6. Step 6: Final answer
    x = 10,166.85

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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.