Home / 8,265.92-11,401.31-5,280.44

Finding the Fourth Proportional to 8,265.92, 11,401.31 and 5,280.44

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Solution

The fourth proportional to 8,265.92, 11,401.31 and 5,280.44 is: 7,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.92 : 11,401.31 = 5,280.44 : x
  2. Step 2: Convert to fraction form
    8,265.92/11,401.31 = 5,280.44/x
  3. Step 3: Cross multiply
    8,265.92x = 11,401.31 × 5,280.44
  4. Step 4: Simplify right side
    8,265.92x = 60,203,889.57
  5. Step 5: Solve for x
    x = 60,203,889.57/8,265.92
  6. Step 6: Final answer
    x = 7,283.38

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1.5x scale

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.