Home / 12,848.78-17,736.41-8,067.44

Finding the Fourth Proportional to 12,848.78, 17,736.41 and 8,067.44

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Solution

The fourth proportional to 12,848.78, 17,736.41 and 8,067.44 is: 11,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.78 : 17,736.41 = 8,067.44 : x
  2. Step 2: Convert to fraction form
    12,848.78/17,736.41 = 8,067.44/x
  3. Step 3: Cross multiply
    12,848.78x = 17,736.41 × 8,067.44
  4. Step 4: Simplify right side
    12,848.78x = 143,087,423.49
  5. Step 5: Solve for x
    x = 143,087,423.49/12,848.78
  6. Step 6: Final answer
    x = 11,136.27

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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.