Home / 11,182.79-16,778.12-4,941.99

Finding the Fourth Proportional to 11,182.79, 16,778.12 and 4,941.99

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Solution

The fourth proportional to 11,182.79, 16,778.12 and 4,941.99 is: 7,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.79 : 16,778.12 = 4,941.99 : x
  2. Step 2: Convert to fraction form
    11,182.79/16,778.12 = 4,941.99/x
  3. Step 3: Cross multiply
    11,182.79x = 16,778.12 × 4,941.99
  4. Step 4: Simplify right side
    11,182.79x = 82,917,276.55
  5. Step 5: Solve for x
    x = 82,917,276.55/11,182.79
  6. Step 6: Final answer
    x = 7,414.72

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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.