Home / 11,852.28-17,781.42-4,456.92

Finding the Fourth Proportional to 11,852.28, 17,781.42 and 4,456.92

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Solution

The fourth proportional to 11,852.28, 17,781.42 and 4,456.92 is: 6,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.28 : 17,781.42 = 4,456.92 : x
  2. Step 2: Convert to fraction form
    11,852.28/17,781.42 = 4,456.92/x
  3. Step 3: Cross multiply
    11,852.28x = 17,781.42 × 4,456.92
  4. Step 4: Simplify right side
    11,852.28x = 79,250,366.43
  5. Step 5: Solve for x
    x = 79,250,366.43/11,852.28
  6. Step 6: Final answer
    x = 6,686.51

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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.