Home / 11,964.91-16,511.23-6,659.62

Finding the Fourth Proportional to 11,964.91, 16,511.23 and 6,659.62

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Solution

The fourth proportional to 11,964.91, 16,511.23 and 6,659.62 is: 9,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.91 : 16,511.23 = 6,659.62 : x
  2. Step 2: Convert to fraction form
    11,964.91/16,511.23 = 6,659.62/x
  3. Step 3: Cross multiply
    11,964.91x = 16,511.23 × 6,659.62
  4. Step 4: Simplify right side
    11,964.91x = 109,958,517.53
  5. Step 5: Solve for x
    x = 109,958,517.53/11,964.91
  6. Step 6: Final answer
    x = 9,190.08

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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.