Home / 11,211.73-16,819.80-3,814.18

Finding the Fourth Proportional to 11,211.73, 16,819.80 and 3,814.18

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Solution

The fourth proportional to 11,211.73, 16,819.80 and 3,814.18 is: 5,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.73 : 16,819.80 = 3,814.18 : x
  2. Step 2: Convert to fraction form
    11,211.73/16,819.80 = 3,814.18/x
  3. Step 3: Cross multiply
    11,211.73x = 16,819.80 × 3,814.18
  4. Step 4: Simplify right side
    11,211.73x = 64,153,744.76
  5. Step 5: Solve for x
    x = 64,153,744.76/11,211.73
  6. Step 6: Final answer
    x = 5,722.02

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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.