Home / 11,145.25-16,711.39-3,745.63

Finding the Fourth Proportional to 11,145.25, 16,711.39 and 3,745.63

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Solution

The fourth proportional to 11,145.25, 16,711.39 and 3,745.63 is: 5,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.25 : 16,711.39 = 3,745.63 : x
  2. Step 2: Convert to fraction form
    11,145.25/16,711.39 = 3,745.63/x
  3. Step 3: Cross multiply
    11,145.25x = 16,711.39 × 3,745.63
  4. Step 4: Simplify right side
    11,145.25x = 62,594,683.73
  5. Step 5: Solve for x
    x = 62,594,683.73/11,145.25
  6. Step 6: Final answer
    x = 5,616.27

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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.