Home / 11,449.74-17,180.80-4,786.82

Finding the Fourth Proportional to 11,449.74, 17,180.80 and 4,786.82

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Solution

The fourth proportional to 11,449.74, 17,180.80 and 4,786.82 is: 7,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.74 : 17,180.80 = 4,786.82 : x
  2. Step 2: Convert to fraction form
    11,449.74/17,180.80 = 4,786.82/x
  3. Step 3: Cross multiply
    11,449.74x = 17,180.80 × 4,786.82
  4. Step 4: Simplify right side
    11,449.74x = 82,241,397.06
  5. Step 5: Solve for x
    x = 82,241,397.06/11,449.74
  6. Step 6: Final answer
    x = 7,182.82

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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.