Home / 11,738.40-16,198.18-6,702.82

Finding the Fourth Proportional to 11,738.40, 16,198.18 and 6,702.82

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Solution

The fourth proportional to 11,738.40, 16,198.18 and 6,702.82 is: 9,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.40 : 16,198.18 = 6,702.82 : x
  2. Step 2: Convert to fraction form
    11,738.40/16,198.18 = 6,702.82/x
  3. Step 3: Cross multiply
    11,738.40x = 16,198.18 × 6,702.82
  4. Step 4: Simplify right side
    11,738.40x = 108,573,484.87
  5. Step 5: Solve for x
    x = 108,573,484.87/11,738.40
  6. Step 6: Final answer
    x = 9,249.43

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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.