Home / 11,942.24-17,918.22-4,156.52

Finding the Fourth Proportional to 11,942.24, 17,918.22 and 4,156.52

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Solution

The fourth proportional to 11,942.24, 17,918.22 and 4,156.52 is: 6,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.24 : 17,918.22 = 4,156.52 : x
  2. Step 2: Convert to fraction form
    11,942.24/17,918.22 = 4,156.52/x
  3. Step 3: Cross multiply
    11,942.24x = 17,918.22 × 4,156.52
  4. Step 4: Simplify right side
    11,942.24x = 74,477,439.79
  5. Step 5: Solve for x
    x = 74,477,439.79/11,942.24
  6. Step 6: Final answer
    x = 6,236.47

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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.