Home / 10,190.97-15,286.32-2,795.42

Finding the Fourth Proportional to 10,190.97, 15,286.32 and 2,795.42

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Solution

The fourth proportional to 10,190.97, 15,286.32 and 2,795.42 is: 4,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.97 : 15,286.32 = 2,795.42 : x
  2. Step 2: Convert to fraction form
    10,190.97/15,286.32 = 2,795.42/x
  3. Step 3: Cross multiply
    10,190.97x = 15,286.32 × 2,795.42
  4. Step 4: Simplify right side
    10,190.97x = 42,731,722.87
  5. Step 5: Solve for x
    x = 42,731,722.87/10,190.97
  6. Step 6: Final answer
    x = 4,193.10

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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.