Home / 11,076.42-15,286.36-6,297.86

Finding the Fourth Proportional to 11,076.42, 15,286.36 and 6,297.86

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Solution

The fourth proportional to 11,076.42, 15,286.36 and 6,297.86 is: 8,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.42 : 15,286.36 = 6,297.86 : x
  2. Step 2: Convert to fraction form
    11,076.42/15,286.36 = 6,297.86/x
  3. Step 3: Cross multiply
    11,076.42x = 15,286.36 × 6,297.86
  4. Step 4: Simplify right side
    11,076.42x = 96,271,377.47
  5. Step 5: Solve for x
    x = 96,271,377.47/11,076.42
  6. Step 6: Final answer
    x = 8,691.56

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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.