Home / 7,429.11-11,137.32-2,748.26

Finding the Fourth Proportional to 7,429.11, 11,137.32 and 2,748.26

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Solution

The fourth proportional to 7,429.11, 11,137.32 and 2,748.26 is: 4,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.11 : 11,137.32 = 2,748.26 : x
  2. Step 2: Convert to fraction form
    7,429.11/11,137.32 = 2,748.26/x
  3. Step 3: Cross multiply
    7,429.11x = 11,137.32 × 2,748.26
  4. Step 4: Simplify right side
    7,429.11x = 30,608,195.38
  5. Step 5: Solve for x
    x = 30,608,195.38/7,429.11
  6. Step 6: Final answer
    x = 4,120.04

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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.