Home / 8,155.01-12,236.57-3,228.19

Finding the Fourth Proportional to 8,155.01, 12,236.57 and 3,228.19

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Solution

The fourth proportional to 8,155.01, 12,236.57 and 3,228.19 is: 4,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.01 : 12,236.57 = 3,228.19 : x
  2. Step 2: Convert to fraction form
    8,155.01/12,236.57 = 3,228.19/x
  3. Step 3: Cross multiply
    8,155.01x = 12,236.57 × 3,228.19
  4. Step 4: Simplify right side
    8,155.01x = 39,501,895.58
  5. Step 5: Solve for x
    x = 39,501,895.58/8,155.01
  6. Step 6: Final answer
    x = 4,843.88

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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.