Home / 8,881.14-13,326.37-3,620.05

Finding the Fourth Proportional to 8,881.14, 13,326.37 and 3,620.05

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Solution

The fourth proportional to 8,881.14, 13,326.37 and 3,620.05 is: 5,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.14 : 13,326.37 = 3,620.05 : x
  2. Step 2: Convert to fraction form
    8,881.14/13,326.37 = 3,620.05/x
  3. Step 3: Cross multiply
    8,881.14x = 13,326.37 × 3,620.05
  4. Step 4: Simplify right side
    8,881.14x = 48,242,125.72
  5. Step 5: Solve for x
    x = 48,242,125.72/8,881.14
  6. Step 6: Final answer
    x = 5,431.97

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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.