Home / 7,890.73-11,837.94-2,344.12

Finding the Fourth Proportional to 7,890.73, 11,837.94 and 2,344.12

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Solution

The fourth proportional to 7,890.73, 11,837.94 and 2,344.12 is: 3,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.73 : 11,837.94 = 2,344.12 : x
  2. Step 2: Convert to fraction form
    7,890.73/11,837.94 = 2,344.12/x
  3. Step 3: Cross multiply
    7,890.73x = 11,837.94 × 2,344.12
  4. Step 4: Simplify right side
    7,890.73x = 27,749,551.91
  5. Step 5: Solve for x
    x = 27,749,551.91/7,890.73
  6. Step 6: Final answer
    x = 3,516.73

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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.