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Finding the Fourth Proportional to 11,698.44, 16,143.22 and 6,392.24

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Solution

The fourth proportional to 11,698.44, 16,143.22 and 6,392.24 is: 8,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.44 : 16,143.22 = 6,392.24 : x
  2. Step 2: Convert to fraction form
    11,698.44/16,143.22 = 6,392.24/x
  3. Step 3: Cross multiply
    11,698.44x = 16,143.22 × 6,392.24
  4. Step 4: Simplify right side
    11,698.44x = 103,191,336.61
  5. Step 5: Solve for x
    x = 103,191,336.61/11,698.44
  6. Step 6: Final answer
    x = 8,820.95

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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.