Home / 11,722.53-17,586.42-3,931.14

Finding the Fourth Proportional to 11,722.53, 17,586.42 and 3,931.14

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Solution

The fourth proportional to 11,722.53, 17,586.42 and 3,931.14 is: 5,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,722.53 : 17,586.42 = 3,931.14 : x
  2. Step 2: Convert to fraction form
    11,722.53/17,586.42 = 3,931.14/x
  3. Step 3: Cross multiply
    11,722.53x = 17,586.42 × 3,931.14
  4. Step 4: Simplify right side
    11,722.53x = 69,134,679.12
  5. Step 5: Solve for x
    x = 69,134,679.12/11,722.53
  6. Step 6: Final answer
    x = 5,897.59

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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.