Home / 8,636.24-11,919.88-5,098

Finding the Fourth Proportional to 8,636.24, 11,919.88 and 5,098

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Solution

The fourth proportional to 8,636.24, 11,919.88 and 5,098 is: 7,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.24 : 11,919.88 = 5,098 : x
  2. Step 2: Convert to fraction form
    8,636.24/11,919.88 = 5,098/x
  3. Step 3: Cross multiply
    8,636.24x = 11,919.88 × 5,098
  4. Step 4: Simplify right side
    8,636.24x = 60,767,548.24
  5. Step 5: Solve for x
    x = 60,767,548.24/8,636.24
  6. Step 6: Final answer
    x = 7,036.34

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Why These Related Problems?

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