Home / 10,961.24-16,442.69-3,170.66

Finding the Fourth Proportional to 10,961.24, 16,442.69 and 3,170.66

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Solution

The fourth proportional to 10,961.24, 16,442.69 and 3,170.66 is: 4,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.24 : 16,442.69 = 3,170.66 : x
  2. Step 2: Convert to fraction form
    10,961.24/16,442.69 = 3,170.66/x
  3. Step 3: Cross multiply
    10,961.24x = 16,442.69 × 3,170.66
  4. Step 4: Simplify right side
    10,961.24x = 52,134,081.41
  5. Step 5: Solve for x
    x = 52,134,081.41/10,961.24
  6. Step 6: Final answer
    x = 4,756.22

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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.