Home / 7,938.27-11,906.49-2,095.34

Finding the Fourth Proportional to 7,938.27, 11,906.49 and 2,095.34

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Solution

The fourth proportional to 7,938.27, 11,906.49 and 2,095.34 is: 3,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.27 : 11,906.49 = 2,095.34 : x
  2. Step 2: Convert to fraction form
    7,938.27/11,906.49 = 2,095.34/x
  3. Step 3: Cross multiply
    7,938.27x = 11,906.49 × 2,095.34
  4. Step 4: Simplify right side
    7,938.27x = 24,948,085.22
  5. Step 5: Solve for x
    x = 24,948,085.22/7,938.27
  6. Step 6: Final answer
    x = 3,142.76

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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.