Home / 10,960.10-16,415.85-4,382.90

Finding the Fourth Proportional to 10,960.10, 16,415.85 and 4,382.90

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Solution

The fourth proportional to 10,960.10, 16,415.85 and 4,382.90 is: 6,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.10 : 16,415.85 = 4,382.90 : x
  2. Step 2: Convert to fraction form
    10,960.10/16,415.85 = 4,382.90/x
  3. Step 3: Cross multiply
    10,960.10x = 16,415.85 × 4,382.90
  4. Step 4: Simplify right side
    10,960.10x = 71,949,028.97
  5. Step 5: Solve for x
    x = 71,949,028.97/10,960.10
  6. Step 6: Final answer
    x = 6,564.63

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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.