Home / 11,587.32-17,231.91-11,218.26

Finding the Fourth Proportional to 11,587.32, 17,231.91 and 11,218.26

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Solution

The fourth proportional to 11,587.32, 17,231.91 and 11,218.26 is: 16,683.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.32 : 17,231.91 = 11,218.26 : x
  2. Step 2: Convert to fraction form
    11,587.32/17,231.91 = 11,218.26/x
  3. Step 3: Cross multiply
    11,587.32x = 17,231.91 × 11,218.26
  4. Step 4: Simplify right side
    11,587.32x = 193,312,046.68
  5. Step 5: Solve for x
    x = 193,312,046.68/11,587.32
  6. Step 6: Final answer
    x = 16,683.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.