Home / 12,265.75-16,926.80-6,676.75

Finding the Fourth Proportional to 12,265.75, 16,926.80 and 6,676.75

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Solution

The fourth proportional to 12,265.75, 16,926.80 and 6,676.75 is: 9,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.75 : 16,926.80 = 6,676.75 : x
  2. Step 2: Convert to fraction form
    12,265.75/16,926.80 = 6,676.75/x
  3. Step 3: Cross multiply
    12,265.75x = 16,926.80 × 6,676.75
  4. Step 4: Simplify right side
    12,265.75x = 113,016,011.90
  5. Step 5: Solve for x
    x = 113,016,011.90/12,265.75
  6. Step 6: Final answer
    x = 9,213.95

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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.