Home / 11,217.37-16,815.34-4,195.48

Finding the Fourth Proportional to 11,217.37, 16,815.34 and 4,195.48

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Solution

The fourth proportional to 11,217.37, 16,815.34 and 4,195.48 is: 6,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.37 : 16,815.34 = 4,195.48 : x
  2. Step 2: Convert to fraction form
    11,217.37/16,815.34 = 4,195.48/x
  3. Step 3: Cross multiply
    11,217.37x = 16,815.34 × 4,195.48
  4. Step 4: Simplify right side
    11,217.37x = 70,548,422.66
  5. Step 5: Solve for x
    x = 70,548,422.66/11,217.37
  6. Step 6: Final answer
    x = 6,289.21

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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.