Home / 10,190.82-15,286.25-2,795.38

Finding the Fourth Proportional to 10,190.82, 15,286.25 and 2,795.38

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Solution

The fourth proportional to 10,190.82, 15,286.25 and 2,795.38 is: 4,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.82 : 15,286.25 = 2,795.38 : x
  2. Step 2: Convert to fraction form
    10,190.82/15,286.25 = 2,795.38/x
  3. Step 3: Cross multiply
    10,190.82x = 15,286.25 × 2,795.38
  4. Step 4: Simplify right side
    10,190.82x = 42,730,877.53
  5. Step 5: Solve for x
    x = 42,730,877.53/10,190.82
  6. Step 6: Final answer
    x = 4,193.08

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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.