Home / 12,712.63-19,067.94-5,692.36

Finding the Fourth Proportional to 12,712.63, 19,067.94 and 5,692.36

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Solution

The fourth proportional to 12,712.63, 19,067.94 and 5,692.36 is: 8,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.63 : 19,067.94 = 5,692.36 : x
  2. Step 2: Convert to fraction form
    12,712.63/19,067.94 = 5,692.36/x
  3. Step 3: Cross multiply
    12,712.63x = 19,067.94 × 5,692.36
  4. Step 4: Simplify right side
    12,712.63x = 108,541,578.94
  5. Step 5: Solve for x
    x = 108,541,578.94/12,712.63
  6. Step 6: Final answer
    x = 8,538.09

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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.