Home / 11,694.32-16,119.20-9,137.61

Finding the Fourth Proportional to 11,694.32, 16,119.20 and 9,137.61

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Solution

The fourth proportional to 11,694.32, 16,119.20 and 9,137.61 is: 12,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.32 : 16,119.20 = 9,137.61 : x
  2. Step 2: Convert to fraction form
    11,694.32/16,119.20 = 9,137.61/x
  3. Step 3: Cross multiply
    11,694.32x = 16,119.20 × 9,137.61
  4. Step 4: Simplify right side
    11,694.32x = 147,290,963.11
  5. Step 5: Solve for x
    x = 147,290,963.11/11,694.32
  6. Step 6: Final answer
    x = 12,595.09

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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.