Home / 11,588.35-17,380.68-3,689.84

Finding the Fourth Proportional to 11,588.35, 17,380.68 and 3,689.84

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Solution

The fourth proportional to 11,588.35, 17,380.68 and 3,689.84 is: 5,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.35 : 17,380.68 = 3,689.84 : x
  2. Step 2: Convert to fraction form
    11,588.35/17,380.68 = 3,689.84/x
  3. Step 3: Cross multiply
    11,588.35x = 17,380.68 × 3,689.84
  4. Step 4: Simplify right side
    11,588.35x = 64,131,928.29
  5. Step 5: Solve for x
    x = 64,131,928.29/11,588.35
  6. Step 6: Final answer
    x = 5,534.17

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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.