Home / 11,694.91-16,138.99-6,659.13

Finding the Fourth Proportional to 11,694.91, 16,138.99 and 6,659.13

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Solution

The fourth proportional to 11,694.91, 16,138.99 and 6,659.13 is: 9,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.91 : 16,138.99 = 6,659.13 : x
  2. Step 2: Convert to fraction form
    11,694.91/16,138.99 = 6,659.13/x
  3. Step 3: Cross multiply
    11,694.91x = 16,138.99 × 6,659.13
  4. Step 4: Simplify right side
    11,694.91x = 107,471,518.49
  5. Step 5: Solve for x
    x = 107,471,518.49/11,694.91
  6. Step 6: Final answer
    x = 9,189.60

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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.