Home / 7,136.12-10,698.83-2,202.86

Finding the Fourth Proportional to 7,136.12, 10,698.83 and 2,202.86

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Solution

The fourth proportional to 7,136.12, 10,698.83 and 2,202.86 is: 3,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.12 : 10,698.83 = 2,202.86 : x
  2. Step 2: Convert to fraction form
    7,136.12/10,698.83 = 2,202.86/x
  3. Step 3: Cross multiply
    7,136.12x = 10,698.83 × 2,202.86
  4. Step 4: Simplify right side
    7,136.12x = 23,568,013.64
  5. Step 5: Solve for x
    x = 23,568,013.64/7,136.12
  6. Step 6: Final answer
    x = 3,302.64

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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.