Home / 11,951.28-17,930.97-6,106.32

Finding the Fourth Proportional to 11,951.28, 17,930.97 and 6,106.32

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Solution

The fourth proportional to 11,951.28, 17,930.97 and 6,106.32 is: 9,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.28 : 17,930.97 = 6,106.32 : x
  2. Step 2: Convert to fraction form
    11,951.28/17,930.97 = 6,106.32/x
  3. Step 3: Cross multiply
    11,951.28x = 17,930.97 × 6,106.32
  4. Step 4: Simplify right side
    11,951.28x = 109,492,240.73
  5. Step 5: Solve for x
    x = 109,492,240.73/11,951.28
  6. Step 6: Final answer
    x = 9,161.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.