Home / 11,074.36-16,611.78-4,145.08

Finding the Fourth Proportional to 11,074.36, 16,611.78 and 4,145.08

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Solution

The fourth proportional to 11,074.36, 16,611.78 and 4,145.08 is: 6,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.36 : 16,611.78 = 4,145.08 : x
  2. Step 2: Convert to fraction form
    11,074.36/16,611.78 = 4,145.08/x
  3. Step 3: Cross multiply
    11,074.36x = 16,611.78 × 4,145.08
  4. Step 4: Simplify right side
    11,074.36x = 68,857,157.04
  5. Step 5: Solve for x
    x = 68,857,157.04/11,074.36
  6. Step 6: Final answer
    x = 6,217.71

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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.