Home / 8,050.44-12,079.30-3,121.18

Finding the Fourth Proportional to 8,050.44, 12,079.30 and 3,121.18

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Solution

The fourth proportional to 8,050.44, 12,079.30 and 3,121.18 is: 4,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,050.44 : 12,079.30 = 3,121.18 : x
  2. Step 2: Convert to fraction form
    8,050.44/12,079.30 = 3,121.18/x
  3. Step 3: Cross multiply
    8,050.44x = 12,079.30 × 3,121.18
  4. Step 4: Simplify right side
    8,050.44x = 37,701,669.57
  5. Step 5: Solve for x
    x = 37,701,669.57/8,050.44
  6. Step 6: Final answer
    x = 4,683.18

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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.