Home / 12,110.82-16,713.72-6,805.98

Finding the Fourth Proportional to 12,110.82, 16,713.72 and 6,805.98

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Solution

The fourth proportional to 12,110.82, 16,713.72 and 6,805.98 is: 9,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.82 : 16,713.72 = 6,805.98 : x
  2. Step 2: Convert to fraction form
    12,110.82/16,713.72 = 6,805.98/x
  3. Step 3: Cross multiply
    12,110.82x = 16,713.72 × 6,805.98
  4. Step 4: Simplify right side
    12,110.82x = 113,753,244.05
  5. Step 5: Solve for x
    x = 113,753,244.05/12,110.82
  6. Step 6: Final answer
    x = 9,392.70

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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.