Home / 12,021.24-16,595.74-8,049.12

Finding the Fourth Proportional to 12,021.24, 16,595.74 and 8,049.12

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Solution

The fourth proportional to 12,021.24, 16,595.74 and 8,049.12 is: 11,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.24 : 16,595.74 = 8,049.12 : x
  2. Step 2: Convert to fraction form
    12,021.24/16,595.74 = 8,049.12/x
  3. Step 3: Cross multiply
    12,021.24x = 16,595.74 × 8,049.12
  4. Step 4: Simplify right side
    12,021.24x = 133,581,102.75
  5. Step 5: Solve for x
    x = 133,581,102.75/12,021.24
  6. Step 6: Final answer
    x = 11,112.09

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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.