Home / 11,587.88-17,381.28-3,268.70

Finding the Fourth Proportional to 11,587.88, 17,381.28 and 3,268.70

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Solution

The fourth proportional to 11,587.88, 17,381.28 and 3,268.70 is: 4,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.88 : 17,381.28 = 3,268.70 : x
  2. Step 2: Convert to fraction form
    11,587.88/17,381.28 = 3,268.70/x
  3. Step 3: Cross multiply
    11,587.88x = 17,381.28 × 3,268.70
  4. Step 4: Simplify right side
    11,587.88x = 56,814,189.94
  5. Step 5: Solve for x
    x = 56,814,189.94/11,587.88
  6. Step 6: Final answer
    x = 4,902.90

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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.