Home / 12,539.72-18,796.44-5,958.02

Finding the Fourth Proportional to 12,539.72, 18,796.44 and 5,958.02

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Solution

The fourth proportional to 12,539.72, 18,796.44 and 5,958.02 is: 8,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.72 : 18,796.44 = 5,958.02 : x
  2. Step 2: Convert to fraction form
    12,539.72/18,796.44 = 5,958.02/x
  3. Step 3: Cross multiply
    12,539.72x = 18,796.44 × 5,958.02
  4. Step 4: Simplify right side
    12,539.72x = 111,989,565.45
  5. Step 5: Solve for x
    x = 111,989,565.45/12,539.72
  6. Step 6: Final answer
    x = 8,930.79

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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.