Home / 11,381.13-17,071.70-3,173.13

Finding the Fourth Proportional to 11,381.13, 17,071.70 and 3,173.13

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Solution

The fourth proportional to 11,381.13, 17,071.70 and 3,173.13 is: 4,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.13 : 17,071.70 = 3,173.13 : x
  2. Step 2: Convert to fraction form
    11,381.13/17,071.70 = 3,173.13/x
  3. Step 3: Cross multiply
    11,381.13x = 17,071.70 × 3,173.13
  4. Step 4: Simplify right side
    11,381.13x = 54,170,723.42
  5. Step 5: Solve for x
    x = 54,170,723.42/11,381.13
  6. Step 6: Final answer
    x = 4,759.70

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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.