Home / 8,161.41-12,242.22-2,318.01

Finding the Fourth Proportional to 8,161.41, 12,242.22 and 2,318.01

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Solution

The fourth proportional to 8,161.41, 12,242.22 and 2,318.01 is: 3,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.41 : 12,242.22 = 2,318.01 : x
  2. Step 2: Convert to fraction form
    8,161.41/12,242.22 = 2,318.01/x
  3. Step 3: Cross multiply
    8,161.41x = 12,242.22 × 2,318.01
  4. Step 4: Simplify right side
    8,161.41x = 28,377,588.38
  5. Step 5: Solve for x
    x = 28,377,588.38/8,161.41
  6. Step 6: Final answer
    x = 3,477.04

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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.