Home / 7,515.99-11,272.64-2,250.86

Finding the Fourth Proportional to 7,515.99, 11,272.64 and 2,250.86

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Solution

The fourth proportional to 7,515.99, 11,272.64 and 2,250.86 is: 3,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.99 : 11,272.64 = 2,250.86 : x
  2. Step 2: Convert to fraction form
    7,515.99/11,272.64 = 2,250.86/x
  3. Step 3: Cross multiply
    7,515.99x = 11,272.64 × 2,250.86
  4. Step 4: Simplify right side
    7,515.99x = 25,373,066.85
  5. Step 5: Solve for x
    x = 25,373,066.85/7,515.99
  6. Step 6: Final answer
    x = 3,375.88

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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.