Home / 11,801.36-17,695.94-3,480.32

Finding the Fourth Proportional to 11,801.36, 17,695.94 and 3,480.32

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Solution

The fourth proportional to 11,801.36, 17,695.94 and 3,480.32 is: 5,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.36 : 17,695.94 = 3,480.32 : x
  2. Step 2: Convert to fraction form
    11,801.36/17,695.94 = 3,480.32/x
  3. Step 3: Cross multiply
    11,801.36x = 17,695.94 × 3,480.32
  4. Step 4: Simplify right side
    11,801.36x = 61,587,447.60
  5. Step 5: Solve for x
    x = 61,587,447.60/11,801.36
  6. Step 6: Final answer
    x = 5,218.68

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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.