Home / 8,771.16-13,160.34-3,577.56

Finding the Fourth Proportional to 8,771.16, 13,160.34 and 3,577.56

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Solution

The fourth proportional to 8,771.16, 13,160.34 and 3,577.56 is: 5,367.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.16 : 13,160.34 = 3,577.56 : x
  2. Step 2: Convert to fraction form
    8,771.16/13,160.34 = 3,577.56/x
  3. Step 3: Cross multiply
    8,771.16x = 13,160.34 × 3,577.56
  4. Step 4: Simplify right side
    8,771.16x = 47,081,905.97
  5. Step 5: Solve for x
    x = 47,081,905.97/8,771.16
  6. Step 6: Final answer
    x = 5,367.81

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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.