Home / 8,741.78-13,107.47-3,473.96

Finding the Fourth Proportional to 8,741.78, 13,107.47 and 3,473.96

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Solution

The fourth proportional to 8,741.78, 13,107.47 and 3,473.96 is: 5,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.78 : 13,107.47 = 3,473.96 : x
  2. Step 2: Convert to fraction form
    8,741.78/13,107.47 = 3,473.96/x
  3. Step 3: Cross multiply
    8,741.78x = 13,107.47 × 3,473.96
  4. Step 4: Simplify right side
    8,741.78x = 45,534,743.57
  5. Step 5: Solve for x
    x = 45,534,743.57/8,741.78
  6. Step 6: Final answer
    x = 5,208.87

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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.