Home / 11,587.88-17,383.10-3,687.62

Finding the Fourth Proportional to 11,587.88, 17,383.10 and 3,687.62

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Solution

The fourth proportional to 11,587.88, 17,383.10 and 3,687.62 is: 5,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.88 : 17,383.10 = 3,687.62 : x
  2. Step 2: Convert to fraction form
    11,587.88/17,383.10 = 3,687.62/x
  3. Step 3: Cross multiply
    11,587.88x = 17,383.10 × 3,687.62
  4. Step 4: Simplify right side
    11,587.88x = 64,102,292.24
  5. Step 5: Solve for x
    x = 64,102,292.24/11,587.88
  6. Step 6: Final answer
    x = 5,531.84

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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.