Home / 8,558.28-11,816.24-5,540.67

Finding the Fourth Proportional to 8,558.28, 11,816.24 and 5,540.67

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Solution

The fourth proportional to 8,558.28, 11,816.24 and 5,540.67 is: 7,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.28 : 11,816.24 = 5,540.67 : x
  2. Step 2: Convert to fraction form
    8,558.28/11,816.24 = 5,540.67/x
  3. Step 3: Cross multiply
    8,558.28x = 11,816.24 × 5,540.67
  4. Step 4: Simplify right side
    8,558.28x = 65,469,858.78
  5. Step 5: Solve for x
    x = 65,469,858.78/8,558.28
  6. Step 6: Final answer
    x = 7,649.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.