Home / 9,231.48-12,739.78-5,252.92

Finding the Fourth Proportional to 9,231.48, 12,739.78 and 5,252.92

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Solution

The fourth proportional to 9,231.48, 12,739.78 and 5,252.92 is: 7,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.48 : 12,739.78 = 5,252.92 : x
  2. Step 2: Convert to fraction form
    9,231.48/12,739.78 = 5,252.92/x
  3. Step 3: Cross multiply
    9,231.48x = 12,739.78 × 5,252.92
  4. Step 4: Simplify right side
    9,231.48x = 66,921,045.16
  5. Step 5: Solve for x
    x = 66,921,045.16/9,231.48
  6. Step 6: Final answer
    x = 7,249.22

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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.