Home / 8,239.40-12,359.14-2,396.04

Finding the Fourth Proportional to 8,239.40, 12,359.14 and 2,396.04

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Solution

The fourth proportional to 8,239.40, 12,359.14 and 2,396.04 is: 3,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.40 : 12,359.14 = 2,396.04 : x
  2. Step 2: Convert to fraction form
    8,239.40/12,359.14 = 2,396.04/x
  3. Step 3: Cross multiply
    8,239.40x = 12,359.14 × 2,396.04
  4. Step 4: Simplify right side
    8,239.40x = 29,612,993.81
  5. Step 5: Solve for x
    x = 29,612,993.81/8,239.40
  6. Step 6: Final answer
    x = 3,594.07

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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.