Home / 11,155.11-16,732.74-3,759.56

Finding the Fourth Proportional to 11,155.11, 16,732.74 and 3,759.56

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Solution

The fourth proportional to 11,155.11, 16,732.74 and 3,759.56 is: 5,639.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.11 : 16,732.74 = 3,759.56 : x
  2. Step 2: Convert to fraction form
    11,155.11/16,732.74 = 3,759.56/x
  3. Step 3: Cross multiply
    11,155.11x = 16,732.74 × 3,759.56
  4. Step 4: Simplify right side
    11,155.11x = 62,907,656.33
  5. Step 5: Solve for x
    x = 62,907,656.33/11,155.11
  6. Step 6: Final answer
    x = 5,639.36

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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.