Home / 7,511.82-11,271.24-3,351.39

Finding the Fourth Proportional to 7,511.82, 11,271.24 and 3,351.39

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Solution

The fourth proportional to 7,511.82, 11,271.24 and 3,351.39 is: 5,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.82 : 11,271.24 = 3,351.39 : x
  2. Step 2: Convert to fraction form
    7,511.82/11,271.24 = 3,351.39/x
  3. Step 3: Cross multiply
    7,511.82x = 11,271.24 × 3,351.39
  4. Step 4: Simplify right side
    7,511.82x = 37,774,321.02
  5. Step 5: Solve for x
    x = 37,774,321.02/7,511.82
  6. Step 6: Final answer
    x = 5,028.65

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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.