Home / 8,265.48-11,405.82-4,908.12

Finding the Fourth Proportional to 8,265.48, 11,405.82 and 4,908.12

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Solution

The fourth proportional to 8,265.48, 11,405.82 and 4,908.12 is: 6,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.48 : 11,405.82 = 4,908.12 : x
  2. Step 2: Convert to fraction form
    8,265.48/11,405.82 = 4,908.12/x
  3. Step 3: Cross multiply
    8,265.48x = 11,405.82 × 4,908.12
  4. Step 4: Simplify right side
    8,265.48x = 55,981,133.26
  5. Step 5: Solve for x
    x = 55,981,133.26/8,265.48
  6. Step 6: Final answer
    x = 6,772.88

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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.