Home / 8,981.28-13,484.34-6,201.09

Finding the Fourth Proportional to 8,981.28, 13,484.34 and 6,201.09

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Solution

The fourth proportional to 8,981.28, 13,484.34 and 6,201.09 is: 9,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.28 : 13,484.34 = 6,201.09 : x
  2. Step 2: Convert to fraction form
    8,981.28/13,484.34 = 6,201.09/x
  3. Step 3: Cross multiply
    8,981.28x = 13,484.34 × 6,201.09
  4. Step 4: Simplify right side
    8,981.28x = 83,617,605.93
  5. Step 5: Solve for x
    x = 83,617,605.93/8,981.28
  6. Step 6: Final answer
    x = 9,310.21

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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.