Home / 11,961.72-16,506.92-6,926.85

Finding the Fourth Proportional to 11,961.72, 16,506.92 and 6,926.85

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Solution

The fourth proportional to 11,961.72, 16,506.92 and 6,926.85 is: 9,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.72 : 16,506.92 = 6,926.85 : x
  2. Step 2: Convert to fraction form
    11,961.72/16,506.92 = 6,926.85/x
  3. Step 3: Cross multiply
    11,961.72x = 16,506.92 × 6,926.85
  4. Step 4: Simplify right side
    11,961.72x = 114,340,976.12
  5. Step 5: Solve for x
    x = 114,340,976.12/11,961.72
  6. Step 6: Final answer
    x = 9,558.91

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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.