Home / 7,438.44-11,149.82-2,506.36

Finding the Fourth Proportional to 7,438.44, 11,149.82 and 2,506.36

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Solution

The fourth proportional to 7,438.44, 11,149.82 and 2,506.36 is: 3,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.44 : 11,149.82 = 2,506.36 : x
  2. Step 2: Convert to fraction form
    7,438.44/11,149.82 = 2,506.36/x
  3. Step 3: Cross multiply
    7,438.44x = 11,149.82 × 2,506.36
  4. Step 4: Simplify right side
    7,438.44x = 27,945,462.86
  5. Step 5: Solve for x
    x = 27,945,462.86/7,438.44
  6. Step 6: Final answer
    x = 3,756.90

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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.