Home / 11,919.94-16,446.96-8,092.90

Finding the Fourth Proportional to 11,919.94, 16,446.96 and 8,092.90

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Solution

The fourth proportional to 11,919.94, 16,446.96 and 8,092.90 is: 11,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.94 : 16,446.96 = 8,092.90 : x
  2. Step 2: Convert to fraction form
    11,919.94/16,446.96 = 8,092.90/x
  3. Step 3: Cross multiply
    11,919.94x = 16,446.96 × 8,092.90
  4. Step 4: Simplify right side
    11,919.94x = 133,103,602.58
  5. Step 5: Solve for x
    x = 133,103,602.58/11,919.94
  6. Step 6: Final answer
    x = 11,166.47

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1.5x scale

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.