Home / 8,123.27-12,179.64-5,341.51

Finding the Fourth Proportional to 8,123.27, 12,179.64 and 5,341.51

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Solution

The fourth proportional to 8,123.27, 12,179.64 and 5,341.51 is: 8,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.27 : 12,179.64 = 5,341.51 : x
  2. Step 2: Convert to fraction form
    8,123.27/12,179.64 = 5,341.51/x
  3. Step 3: Cross multiply
    8,123.27x = 12,179.64 × 5,341.51
  4. Step 4: Simplify right side
    8,123.27x = 65,057,704.11
  5. Step 5: Solve for x
    x = 65,057,704.11/8,123.27
  6. Step 6: Final answer
    x = 8,008.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.