Home / 11,355.24-17,032.74-3,959.70

Finding the Fourth Proportional to 11,355.24, 17,032.74 and 3,959.70

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Solution

The fourth proportional to 11,355.24, 17,032.74 and 3,959.70 is: 5,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.24 : 17,032.74 = 3,959.70 : x
  2. Step 2: Convert to fraction form
    11,355.24/17,032.74 = 3,959.70/x
  3. Step 3: Cross multiply
    11,355.24x = 17,032.74 × 3,959.70
  4. Step 4: Simplify right side
    11,355.24x = 67,444,540.58
  5. Step 5: Solve for x
    x = 67,444,540.58/11,355.24
  6. Step 6: Final answer
    x = 5,939.51

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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.