Home / 11,964.75-16,511.36-6,660.82

Finding the Fourth Proportional to 11,964.75, 16,511.36 and 6,660.82

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Solution

The fourth proportional to 11,964.75, 16,511.36 and 6,660.82 is: 9,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.75 : 16,511.36 = 6,660.82 : x
  2. Step 2: Convert to fraction form
    11,964.75/16,511.36 = 6,660.82/x
  3. Step 3: Cross multiply
    11,964.75x = 16,511.36 × 6,660.82
  4. Step 4: Simplify right side
    11,964.75x = 109,979,196.92
  5. Step 5: Solve for x
    x = 109,979,196.92/11,964.75
  6. Step 6: Final answer
    x = 9,191.93

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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.