Home / 10,865.38-16,296.70-3,469.23

Finding the Fourth Proportional to 10,865.38, 16,296.70 and 3,469.23

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Solution

The fourth proportional to 10,865.38, 16,296.70 and 3,469.23 is: 5,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.38 : 16,296.70 = 3,469.23 : x
  2. Step 2: Convert to fraction form
    10,865.38/16,296.70 = 3,469.23/x
  3. Step 3: Cross multiply
    10,865.38x = 16,296.70 × 3,469.23
  4. Step 4: Simplify right side
    10,865.38x = 56,537,000.54
  5. Step 5: Solve for x
    x = 56,537,000.54/10,865.38
  6. Step 6: Final answer
    x = 5,203.41

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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.