Home / 11,865.44-16,375.94-6,829.58

Finding the Fourth Proportional to 11,865.44, 16,375.94 and 6,829.58

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Solution

The fourth proportional to 11,865.44, 16,375.94 and 6,829.58 is: 9,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.44 : 16,375.94 = 6,829.58 : x
  2. Step 2: Convert to fraction form
    11,865.44/16,375.94 = 6,829.58/x
  3. Step 3: Cross multiply
    11,865.44x = 16,375.94 × 6,829.58
  4. Step 4: Simplify right side
    11,865.44x = 111,840,676.28
  5. Step 5: Solve for x
    x = 111,840,676.28/11,865.44
  6. Step 6: Final answer
    x = 9,425.75

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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.