Home / 8,998.13-13,469.51-5,871.41

Finding the Fourth Proportional to 8,998.13, 13,469.51 and 5,871.41

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Solution

The fourth proportional to 8,998.13, 13,469.51 and 5,871.41 is: 8,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.13 : 13,469.51 = 5,871.41 : x
  2. Step 2: Convert to fraction form
    8,998.13/13,469.51 = 5,871.41/x
  3. Step 3: Cross multiply
    8,998.13x = 13,469.51 × 5,871.41
  4. Step 4: Simplify right side
    8,998.13x = 79,084,986.35
  5. Step 5: Solve for x
    x = 79,084,986.35/8,998.13
  6. Step 6: Final answer
    x = 8,789.05

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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.