Home / 11,013.03-16,518.33-3,221.91

Finding the Fourth Proportional to 11,013.03, 16,518.33 and 3,221.91

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Solution

The fourth proportional to 11,013.03, 16,518.33 and 3,221.91 is: 4,832.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.03 : 16,518.33 = 3,221.91 : x
  2. Step 2: Convert to fraction form
    11,013.03/16,518.33 = 3,221.91/x
  3. Step 3: Cross multiply
    11,013.03x = 16,518.33 × 3,221.91
  4. Step 4: Simplify right side
    11,013.03x = 53,220,572.61
  5. Step 5: Solve for x
    x = 53,220,572.61/11,013.03
  6. Step 6: Final answer
    x = 4,832.51

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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.