Home / 8,091.26-12,136.87-2,545.02

Finding the Fourth Proportional to 8,091.26, 12,136.87 and 2,545.02

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Solution

The fourth proportional to 8,091.26, 12,136.87 and 2,545.02 is: 3,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.26 : 12,136.87 = 2,545.02 : x
  2. Step 2: Convert to fraction form
    8,091.26/12,136.87 = 2,545.02/x
  3. Step 3: Cross multiply
    8,091.26x = 12,136.87 × 2,545.02
  4. Step 4: Simplify right side
    8,091.26x = 30,888,580.07
  5. Step 5: Solve for x
    x = 30,888,580.07/8,091.26
  6. Step 6: Final answer
    x = 3,817.52

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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.