Home / 10,239.88-15,362.25-3,314.38

Finding the Fourth Proportional to 10,239.88, 15,362.25 and 3,314.38

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Solution

The fourth proportional to 10,239.88, 15,362.25 and 3,314.38 is: 4,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.88 : 15,362.25 = 3,314.38 : x
  2. Step 2: Convert to fraction form
    10,239.88/15,362.25 = 3,314.38/x
  3. Step 3: Cross multiply
    10,239.88x = 15,362.25 × 3,314.38
  4. Step 4: Simplify right side
    10,239.88x = 50,916,257.34
  5. Step 5: Solve for x
    x = 50,916,257.34/10,239.88
  6. Step 6: Final answer
    x = 4,972.35

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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.