Home / 11,449.72-17,175.66-3,656.68

Finding the Fourth Proportional to 11,449.72, 17,175.66 and 3,656.68

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Solution

The fourth proportional to 11,449.72, 17,175.66 and 3,656.68 is: 5,485.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.72 : 17,175.66 = 3,656.68 : x
  2. Step 2: Convert to fraction form
    11,449.72/17,175.66 = 3,656.68/x
  3. Step 3: Cross multiply
    11,449.72x = 17,175.66 × 3,656.68
  4. Step 4: Simplify right side
    11,449.72x = 62,805,892.41
  5. Step 5: Solve for x
    x = 62,805,892.41/11,449.72
  6. Step 6: Final answer
    x = 5,485.36

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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.