Home / 10,312.10-15,469.91-4,068.85

Finding the Fourth Proportional to 10,312.10, 15,469.91 and 4,068.85

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Solution

The fourth proportional to 10,312.10, 15,469.91 and 4,068.85 is: 6,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.10 : 15,469.91 = 4,068.85 : x
  2. Step 2: Convert to fraction form
    10,312.10/15,469.91 = 4,068.85/x
  3. Step 3: Cross multiply
    10,312.10x = 15,469.91 × 4,068.85
  4. Step 4: Simplify right side
    10,312.10x = 62,944,743.30
  5. Step 5: Solve for x
    x = 62,944,743.30/10,312.10
  6. Step 6: Final answer
    x = 6,103.97

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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.