Home / 10,157.45-15,236.51-3,493.88

Finding the Fourth Proportional to 10,157.45, 15,236.51 and 3,493.88

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Solution

The fourth proportional to 10,157.45, 15,236.51 and 3,493.88 is: 5,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.45 : 15,236.51 = 3,493.88 : x
  2. Step 2: Convert to fraction form
    10,157.45/15,236.51 = 3,493.88/x
  3. Step 3: Cross multiply
    10,157.45x = 15,236.51 × 3,493.88
  4. Step 4: Simplify right side
    10,157.45x = 53,234,584.38
  5. Step 5: Solve for x
    x = 53,234,584.38/10,157.45
  6. Step 6: Final answer
    x = 5,240.94

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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.