Home / 7,992.43-11,029.61-4,455.87

Finding the Fourth Proportional to 7,992.43, 11,029.61 and 4,455.87

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Solution

The fourth proportional to 7,992.43, 11,029.61 and 4,455.87 is: 6,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.43 : 11,029.61 = 4,455.87 : x
  2. Step 2: Convert to fraction form
    7,992.43/11,029.61 = 4,455.87/x
  3. Step 3: Cross multiply
    7,992.43x = 11,029.61 × 4,455.87
  4. Step 4: Simplify right side
    7,992.43x = 49,146,508.31
  5. Step 5: Solve for x
    x = 49,146,508.31/7,992.43
  6. Step 6: Final answer
    x = 6,149.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.