Home / 8,231.04-12,347.37-2,388.51

Finding the Fourth Proportional to 8,231.04, 12,347.37 and 2,388.51

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Solution

The fourth proportional to 8,231.04, 12,347.37 and 2,388.51 is: 3,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.04 : 12,347.37 = 2,388.51 : x
  2. Step 2: Convert to fraction form
    8,231.04/12,347.37 = 2,388.51/x
  3. Step 3: Cross multiply
    8,231.04x = 12,347.37 × 2,388.51
  4. Step 4: Simplify right side
    8,231.04x = 29,491,816.72
  5. Step 5: Solve for x
    x = 29,491,816.72/8,231.04
  6. Step 6: Final answer
    x = 3,583.00

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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.