Home / 8,265.39-11,401.16-5,903.43

Finding the Fourth Proportional to 8,265.39, 11,401.16 and 5,903.43

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Solution

The fourth proportional to 8,265.39, 11,401.16 and 5,903.43 is: 8,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.39 : 11,401.16 = 5,903.43 : x
  2. Step 2: Convert to fraction form
    8,265.39/11,401.16 = 5,903.43/x
  3. Step 3: Cross multiply
    8,265.39x = 11,401.16 × 5,903.43
  4. Step 4: Simplify right side
    8,265.39x = 67,305,920.46
  5. Step 5: Solve for x
    x = 67,305,920.46/8,265.39
  6. Step 6: Final answer
    x = 8,143.10

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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.