Home / 12,175.59-18,247.83-6,906.72

Finding the Fourth Proportional to 12,175.59, 18,247.83 and 6,906.72

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Solution

The fourth proportional to 12,175.59, 18,247.83 and 6,906.72 is: 10,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.59 : 18,247.83 = 6,906.72 : x
  2. Step 2: Convert to fraction form
    12,175.59/18,247.83 = 6,906.72/x
  3. Step 3: Cross multiply
    12,175.59x = 18,247.83 × 6,906.72
  4. Step 4: Simplify right side
    12,175.59x = 126,032,652.42
  5. Step 5: Solve for x
    x = 126,032,652.42/12,175.59
  6. Step 6: Final answer
    x = 10,351.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.