Home / 12,110.68-16,713.24-6,805.49

Finding the Fourth Proportional to 12,110.68, 16,713.24 and 6,805.49

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Solution

The fourth proportional to 12,110.68, 16,713.24 and 6,805.49 is: 9,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.68 : 16,713.24 = 6,805.49 : x
  2. Step 2: Convert to fraction form
    12,110.68/16,713.24 = 6,805.49/x
  3. Step 3: Cross multiply
    12,110.68x = 16,713.24 × 6,805.49
  4. Step 4: Simplify right side
    12,110.68x = 113,741,670.09
  5. Step 5: Solve for x
    x = 113,741,670.09/12,110.68
  6. Step 6: Final answer
    x = 9,391.85

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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.