Home / 9,187.83-13,777.20-3,922.02

Finding the Fourth Proportional to 9,187.83, 13,777.20 and 3,922.02

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Solution

The fourth proportional to 9,187.83, 13,777.20 and 3,922.02 is: 5,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.83 : 13,777.20 = 3,922.02 : x
  2. Step 2: Convert to fraction form
    9,187.83/13,777.20 = 3,922.02/x
  3. Step 3: Cross multiply
    9,187.83x = 13,777.20 × 3,922.02
  4. Step 4: Simplify right side
    9,187.83x = 54,034,453.94
  5. Step 5: Solve for x
    x = 54,034,453.94/9,187.83
  6. Step 6: Final answer
    x = 5,881.09

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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.