Home / 7,621.82-11,433.10-2,360.46

Finding the Fourth Proportional to 7,621.82, 11,433.10 and 2,360.46

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Solution

The fourth proportional to 7,621.82, 11,433.10 and 2,360.46 is: 3,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.82 : 11,433.10 = 2,360.46 : x
  2. Step 2: Convert to fraction form
    7,621.82/11,433.10 = 2,360.46/x
  3. Step 3: Cross multiply
    7,621.82x = 11,433.10 × 2,360.46
  4. Step 4: Simplify right side
    7,621.82x = 26,987,375.23
  5. Step 5: Solve for x
    x = 26,987,375.23/7,621.82
  6. Step 6: Final answer
    x = 3,540.80

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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.