Home / 11,221.24-16,832.30-4,981.30

Finding the Fourth Proportional to 11,221.24, 16,832.30 and 4,981.30

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Solution

The fourth proportional to 11,221.24, 16,832.30 and 4,981.30 is: 7,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.24 : 16,832.30 = 4,981.30 : x
  2. Step 2: Convert to fraction form
    11,221.24/16,832.30 = 4,981.30/x
  3. Step 3: Cross multiply
    11,221.24x = 16,832.30 × 4,981.30
  4. Step 4: Simplify right side
    11,221.24x = 83,846,735.99
  5. Step 5: Solve for x
    x = 83,846,735.99/11,221.24
  6. Step 6: Final answer
    x = 7,472.15

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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.