Home / 11,221.21-16,826.19-3,823.08

Finding the Fourth Proportional to 11,221.21, 16,826.19 and 3,823.08

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Solution

The fourth proportional to 11,221.21, 16,826.19 and 3,823.08 is: 5,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.21 : 16,826.19 = 3,823.08 : x
  2. Step 2: Convert to fraction form
    11,221.21/16,826.19 = 3,823.08/x
  3. Step 3: Cross multiply
    11,221.21x = 16,826.19 × 3,823.08
  4. Step 4: Simplify right side
    11,221.21x = 64,327,870.47
  5. Step 5: Solve for x
    x = 64,327,870.47/11,221.21
  6. Step 6: Final answer
    x = 5,732.70

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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.