Home / 10,420.22-14,380.27-5,704.52

Finding the Fourth Proportional to 10,420.22, 14,380.27 and 5,704.52

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Solution

The fourth proportional to 10,420.22, 14,380.27 and 5,704.52 is: 7,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.22 : 14,380.27 = 5,704.52 : x
  2. Step 2: Convert to fraction form
    10,420.22/14,380.27 = 5,704.52/x
  3. Step 3: Cross multiply
    10,420.22x = 14,380.27 × 5,704.52
  4. Step 4: Simplify right side
    10,420.22x = 82,032,451.66
  5. Step 5: Solve for x
    x = 82,032,451.66/10,420.22
  6. Step 6: Final answer
    x = 7,872.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.