Home / 8,825.90-13,199.96-5,118.54

Finding the Fourth Proportional to 8,825.90, 13,199.96 and 5,118.54

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Solution

The fourth proportional to 8,825.90, 13,199.96 and 5,118.54 is: 7,655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.90 : 13,199.96 = 5,118.54 : x
  2. Step 2: Convert to fraction form
    8,825.90/13,199.96 = 5,118.54/x
  3. Step 3: Cross multiply
    8,825.90x = 13,199.96 × 5,118.54
  4. Step 4: Simplify right side
    8,825.90x = 67,564,523.26
  5. Step 5: Solve for x
    x = 67,564,523.26/8,825.90
  6. Step 6: Final answer
    x = 7,655.26

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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.