Home / 11,652.57-16,078.34-6,874.02

Finding the Fourth Proportional to 11,652.57, 16,078.34 and 6,874.02

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Solution

The fourth proportional to 11,652.57, 16,078.34 and 6,874.02 is: 9,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.57 : 16,078.34 = 6,874.02 : x
  2. Step 2: Convert to fraction form
    11,652.57/16,078.34 = 6,874.02/x
  3. Step 3: Cross multiply
    11,652.57x = 16,078.34 × 6,874.02
  4. Step 4: Simplify right side
    11,652.57x = 110,522,796.36
  5. Step 5: Solve for x
    x = 110,522,796.36/11,652.57
  6. Step 6: Final answer
    x = 9,484.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.