Home / 10,749.62-16,121.37-4,174.40

Finding the Fourth Proportional to 10,749.62, 16,121.37 and 4,174.40

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Solution

The fourth proportional to 10,749.62, 16,121.37 and 4,174.40 is: 6,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.62 : 16,121.37 = 4,174.40 : x
  2. Step 2: Convert to fraction form
    10,749.62/16,121.37 = 4,174.40/x
  3. Step 3: Cross multiply
    10,749.62x = 16,121.37 × 4,174.40
  4. Step 4: Simplify right side
    10,749.62x = 67,297,046.93
  5. Step 5: Solve for x
    x = 67,297,046.93/10,749.62
  6. Step 6: Final answer
    x = 6,260.41

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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.