Home / 8,236.20-12,350.64-5,917.98

Finding the Fourth Proportional to 8,236.20, 12,350.64 and 5,917.98

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Solution

The fourth proportional to 8,236.20, 12,350.64 and 5,917.98 is: 8,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.20 : 12,350.64 = 5,917.98 : x
  2. Step 2: Convert to fraction form
    8,236.20/12,350.64 = 5,917.98/x
  3. Step 3: Cross multiply
    8,236.20x = 12,350.64 × 5,917.98
  4. Step 4: Simplify right side
    8,236.20x = 73,090,840.51
  5. Step 5: Solve for x
    x = 73,090,840.51/8,236.20
  6. Step 6: Final answer
    x = 8,874.34

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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.