Home / 10,099.88-15,150.54-3,179.24

Finding the Fourth Proportional to 10,099.88, 15,150.54 and 3,179.24

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Solution

The fourth proportional to 10,099.88, 15,150.54 and 3,179.24 is: 4,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.88 : 15,150.54 = 3,179.24 : x
  2. Step 2: Convert to fraction form
    10,099.88/15,150.54 = 3,179.24/x
  3. Step 3: Cross multiply
    10,099.88x = 15,150.54 × 3,179.24
  4. Step 4: Simplify right side
    10,099.88x = 48,167,202.79
  5. Step 5: Solve for x
    x = 48,167,202.79/10,099.88
  6. Step 6: Final answer
    x = 4,769.09

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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.