Home / 11,694.11-16,137.96-6,388.92

Finding the Fourth Proportional to 11,694.11, 16,137.96 and 6,388.92

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Solution

The fourth proportional to 11,694.11, 16,137.96 and 6,388.92 is: 8,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.11 : 16,137.96 = 6,388.92 : x
  2. Step 2: Convert to fraction form
    11,694.11/16,137.96 = 6,388.92/x
  3. Step 3: Cross multiply
    11,694.11x = 16,137.96 × 6,388.92
  4. Step 4: Simplify right side
    11,694.11x = 103,104,135.40
  5. Step 5: Solve for x
    x = 103,104,135.40/11,694.11
  6. Step 6: Final answer
    x = 8,816.76

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Double scale
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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.