Home / 11,067.40-16,602.90-4,142.44

Finding the Fourth Proportional to 11,067.40, 16,602.90 and 4,142.44

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Solution

The fourth proportional to 11,067.40, 16,602.90 and 4,142.44 is: 6,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.40 : 16,602.90 = 4,142.44 : x
  2. Step 2: Convert to fraction form
    11,067.40/16,602.90 = 4,142.44/x
  3. Step 3: Cross multiply
    11,067.40x = 16,602.90 × 4,142.44
  4. Step 4: Simplify right side
    11,067.40x = 68,776,517.08
  5. Step 5: Solve for x
    x = 68,776,517.08/11,067.40
  6. Step 6: Final answer
    x = 6,214.33

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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.