Home / 10,782.73-16,171.66-2,992.15

Finding the Fourth Proportional to 10,782.73, 16,171.66 and 2,992.15

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Solution

The fourth proportional to 10,782.73, 16,171.66 and 2,992.15 is: 4,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.73 : 16,171.66 = 2,992.15 : x
  2. Step 2: Convert to fraction form
    10,782.73/16,171.66 = 2,992.15/x
  3. Step 3: Cross multiply
    10,782.73x = 16,171.66 × 2,992.15
  4. Step 4: Simplify right side
    10,782.73x = 48,388,032.47
  5. Step 5: Solve for x
    x = 48,388,032.47/10,782.73
  6. Step 6: Final answer
    x = 4,487.55

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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.