Home / 11,021.92-16,533.78-5,175.34

Finding the Fourth Proportional to 11,021.92, 16,533.78 and 5,175.34

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Solution

The fourth proportional to 11,021.92, 16,533.78 and 5,175.34 is: 7,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.92 : 16,533.78 = 5,175.34 : x
  2. Step 2: Convert to fraction form
    11,021.92/16,533.78 = 5,175.34/x
  3. Step 3: Cross multiply
    11,021.92x = 16,533.78 × 5,175.34
  4. Step 4: Simplify right side
    11,021.92x = 85,567,932.99
  5. Step 5: Solve for x
    x = 85,567,932.99/11,021.92
  6. Step 6: Final answer
    x = 7,763.43

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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.