Home / 11,021.52-16,530.12-3,228.48

Finding the Fourth Proportional to 11,021.52, 16,530.12 and 3,228.48

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Solution

The fourth proportional to 11,021.52, 16,530.12 and 3,228.48 is: 4,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.52 : 16,530.12 = 3,228.48 : x
  2. Step 2: Convert to fraction form
    11,021.52/16,530.12 = 3,228.48/x
  3. Step 3: Cross multiply
    11,021.52x = 16,530.12 × 3,228.48
  4. Step 4: Simplify right side
    11,021.52x = 53,367,161.82
  5. Step 5: Solve for x
    x = 53,367,161.82/11,021.52
  6. Step 6: Final answer
    x = 4,842.09

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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.