Home / 8,889.25-13,331.83-2,648.70

Finding the Fourth Proportional to 8,889.25, 13,331.83 and 2,648.70

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Solution

The fourth proportional to 8,889.25, 13,331.83 and 2,648.70 is: 3,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.25 : 13,331.83 = 2,648.70 : x
  2. Step 2: Convert to fraction form
    8,889.25/13,331.83 = 2,648.70/x
  3. Step 3: Cross multiply
    8,889.25x = 13,331.83 × 2,648.70
  4. Step 4: Simplify right side
    8,889.25x = 35,312,018.12
  5. Step 5: Solve for x
    x = 35,312,018.12/8,889.25
  6. Step 6: Final answer
    x = 3,972.44

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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.