Home / 8,265.80-12,402.92-5,494.36

Finding the Fourth Proportional to 8,265.80, 12,402.92 and 5,494.36

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Solution

The fourth proportional to 8,265.80, 12,402.92 and 5,494.36 is: 8,244.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.80 : 12,402.92 = 5,494.36 : x
  2. Step 2: Convert to fraction form
    8,265.80/12,402.92 = 5,494.36/x
  3. Step 3: Cross multiply
    8,265.80x = 12,402.92 × 5,494.36
  4. Step 4: Simplify right side
    8,265.80x = 68,146,107.53
  5. Step 5: Solve for x
    x = 68,146,107.53/8,265.80
  6. Step 6: Final answer
    x = 8,244.35

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1.5x scale

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.