Home / 11,505.55-17,247.39-7,333.85

Finding the Fourth Proportional to 11,505.55, 17,247.39 and 7,333.85

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Solution

The fourth proportional to 11,505.55, 17,247.39 and 7,333.85 is: 10,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.55 : 17,247.39 = 7,333.85 : x
  2. Step 2: Convert to fraction form
    11,505.55/17,247.39 = 7,333.85/x
  3. Step 3: Cross multiply
    11,505.55x = 17,247.39 × 7,333.85
  4. Step 4: Simplify right side
    11,505.55x = 126,489,749.59
  5. Step 5: Solve for x
    x = 126,489,749.59/11,505.55
  6. Step 6: Final answer
    x = 10,993.80

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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.