Home / 10,144.26-15,216.30-2,749.41

Finding the Fourth Proportional to 10,144.26, 15,216.30 and 2,749.41

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Solution

The fourth proportional to 10,144.26, 15,216.30 and 2,749.41 is: 4,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.26 : 15,216.30 = 2,749.41 : x
  2. Step 2: Convert to fraction form
    10,144.26/15,216.30 = 2,749.41/x
  3. Step 3: Cross multiply
    10,144.26x = 15,216.30 × 2,749.41
  4. Step 4: Simplify right side
    10,144.26x = 41,835,847.38
  5. Step 5: Solve for x
    x = 41,835,847.38/10,144.26
  6. Step 6: Final answer
    x = 4,124.09

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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.