Home / 10,187.27-15,273.66-3,942.01

Finding the Fourth Proportional to 10,187.27, 15,273.66 and 3,942.01

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Solution

The fourth proportional to 10,187.27, 15,273.66 and 3,942.01 is: 5,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.27 : 15,273.66 = 3,942.01 : x
  2. Step 2: Convert to fraction form
    10,187.27/15,273.66 = 3,942.01/x
  3. Step 3: Cross multiply
    10,187.27x = 15,273.66 × 3,942.01
  4. Step 4: Simplify right side
    10,187.27x = 60,208,900.75
  5. Step 5: Solve for x
    x = 60,208,900.75/10,187.27
  6. Step 6: Final answer
    x = 5,910.21

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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.