Home / 8,091.23-12,136.86-2,545.02

Finding the Fourth Proportional to 8,091.23, 12,136.86 and 2,545.02

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Solution

The fourth proportional to 8,091.23, 12,136.86 and 2,545.02 is: 3,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.23 : 12,136.86 = 2,545.02 : x
  2. Step 2: Convert to fraction form
    8,091.23/12,136.86 = 2,545.02/x
  3. Step 3: Cross multiply
    8,091.23x = 12,136.86 × 2,545.02
  4. Step 4: Simplify right side
    8,091.23x = 30,888,551.44
  5. Step 5: Solve for x
    x = 30,888,551.44/8,091.23
  6. Step 6: Final answer
    x = 3,817.54

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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.