Home / 11,141.58-15,375.60-6,361.38

Finding the Fourth Proportional to 11,141.58, 15,375.60 and 6,361.38

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Solution

The fourth proportional to 11,141.58, 15,375.60 and 6,361.38 is: 8,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.58 : 15,375.60 = 6,361.38 : x
  2. Step 2: Convert to fraction form
    11,141.58/15,375.60 = 6,361.38/x
  3. Step 3: Cross multiply
    11,141.58x = 15,375.60 × 6,361.38
  4. Step 4: Simplify right side
    11,141.58x = 97,810,034.33
  5. Step 5: Solve for x
    x = 97,810,034.33/11,141.58
  6. Step 6: Final answer
    x = 8,778.83

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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.