Home / 8,157.11-12,234.04-3,995.33

Finding the Fourth Proportional to 8,157.11, 12,234.04 and 3,995.33

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Solution

The fourth proportional to 8,157.11, 12,234.04 and 3,995.33 is: 5,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.11 : 12,234.04 = 3,995.33 : x
  2. Step 2: Convert to fraction form
    8,157.11/12,234.04 = 3,995.33/x
  3. Step 3: Cross multiply
    8,157.11x = 12,234.04 × 3,995.33
  4. Step 4: Simplify right side
    8,157.11x = 48,878,955.87
  5. Step 5: Solve for x
    x = 48,878,955.87/8,157.11
  6. Step 6: Final answer
    x = 5,992.19

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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.