Home / 12,260.52-18,388.71-3,493.44

Finding the Fourth Proportional to 12,260.52, 18,388.71 and 3,493.44

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Solution

The fourth proportional to 12,260.52, 18,388.71 and 3,493.44 is: 5,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.52 : 18,388.71 = 3,493.44 : x
  2. Step 2: Convert to fraction form
    12,260.52/18,388.71 = 3,493.44/x
  3. Step 3: Cross multiply
    12,260.52x = 18,388.71 × 3,493.44
  4. Step 4: Simplify right side
    12,260.52x = 64,239,855.06
  5. Step 5: Solve for x
    x = 64,239,855.06/12,260.52
  6. Step 6: Final answer
    x = 5,239.57

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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.