Home / 11,926.53-17,890.20-3,162.33

Finding the Fourth Proportional to 11,926.53, 17,890.20 and 3,162.33

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Solution

The fourth proportional to 11,926.53, 17,890.20 and 3,162.33 is: 4,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.53 : 17,890.20 = 3,162.33 : x
  2. Step 2: Convert to fraction form
    11,926.53/17,890.20 = 3,162.33/x
  3. Step 3: Cross multiply
    11,926.53x = 17,890.20 × 3,162.33
  4. Step 4: Simplify right side
    11,926.53x = 56,574,716.17
  5. Step 5: Solve for x
    x = 56,574,716.17/11,926.53
  6. Step 6: Final answer
    x = 4,743.60

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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.