Home / 8,012.46-12,020.67-3,331.06

Finding the Fourth Proportional to 8,012.46, 12,020.67 and 3,331.06

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Solution

The fourth proportional to 8,012.46, 12,020.67 and 3,331.06 is: 4,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.46 : 12,020.67 = 3,331.06 : x
  2. Step 2: Convert to fraction form
    8,012.46/12,020.67 = 3,331.06/x
  3. Step 3: Cross multiply
    8,012.46x = 12,020.67 × 3,331.06
  4. Step 4: Simplify right side
    8,012.46x = 40,041,573.01
  5. Step 5: Solve for x
    x = 40,041,573.01/8,012.46
  6. Step 6: Final answer
    x = 4,997.41

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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.