Home / 11,577.20-17,365.72-2,812.04

Finding the Fourth Proportional to 11,577.20, 17,365.72 and 2,812.04

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Solution

The fourth proportional to 11,577.20, 17,365.72 and 2,812.04 is: 4,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.20 : 17,365.72 = 2,812.04 : x
  2. Step 2: Convert to fraction form
    11,577.20/17,365.72 = 2,812.04/x
  3. Step 3: Cross multiply
    11,577.20x = 17,365.72 × 2,812.04
  4. Step 4: Simplify right side
    11,577.20x = 48,833,099.27
  5. Step 5: Solve for x
    x = 48,833,099.27/11,577.20
  6. Step 6: Final answer
    x = 4,218.04

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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.