Home / 12,872.33-19,308.83-4,107.24

Finding the Fourth Proportional to 12,872.33, 19,308.83 and 4,107.24

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Solution

The fourth proportional to 12,872.33, 19,308.83 and 4,107.24 is: 6,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872.33 : 19,308.83 = 4,107.24 : x
  2. Step 2: Convert to fraction form
    12,872.33/19,308.83 = 4,107.24/x
  3. Step 3: Cross multiply
    12,872.33x = 19,308.83 × 4,107.24
  4. Step 4: Simplify right side
    12,872.33x = 79,305,978.39
  5. Step 5: Solve for x
    x = 79,305,978.39/12,872.33
  6. Step 6: Final answer
    x = 6,160.97

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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.