Home / 11,725.14-16,180.07-6,418.94

Finding the Fourth Proportional to 11,725.14, 16,180.07 and 6,418.94

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Solution

The fourth proportional to 11,725.14, 16,180.07 and 6,418.94 is: 8,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.14 : 16,180.07 = 6,418.94 : x
  2. Step 2: Convert to fraction form
    11,725.14/16,180.07 = 6,418.94/x
  3. Step 3: Cross multiply
    11,725.14x = 16,180.07 × 6,418.94
  4. Step 4: Simplify right side
    11,725.14x = 103,858,785.53
  5. Step 5: Solve for x
    x = 103,858,785.53/11,725.14
  6. Step 6: Final answer
    x = 8,857.79

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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.