Home / 8,091.08-12,136.26-3,705.56

Finding the Fourth Proportional to 8,091.08, 12,136.26 and 3,705.56

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Solution

The fourth proportional to 8,091.08, 12,136.26 and 3,705.56 is: 5,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.08 : 12,136.26 = 3,705.56 : x
  2. Step 2: Convert to fraction form
    8,091.08/12,136.26 = 3,705.56/x
  3. Step 3: Cross multiply
    8,091.08x = 12,136.26 × 3,705.56
  4. Step 4: Simplify right side
    8,091.08x = 44,971,639.61
  5. Step 5: Solve for x
    x = 44,971,639.61/8,091.08
  6. Step 6: Final answer
    x = 5,558.18

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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.