Home / 11,943.27-17,915.43-3,624.45

Finding the Fourth Proportional to 11,943.27, 17,915.43 and 3,624.45

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Solution

The fourth proportional to 11,943.27, 17,915.43 and 3,624.45 is: 5,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.27 : 17,915.43 = 3,624.45 : x
  2. Step 2: Convert to fraction form
    11,943.27/17,915.43 = 3,624.45/x
  3. Step 3: Cross multiply
    11,943.27x = 17,915.43 × 3,624.45
  4. Step 4: Simplify right side
    11,943.27x = 64,933,580.26
  5. Step 5: Solve for x
    x = 64,933,580.26/11,943.27
  6. Step 6: Final answer
    x = 5,436.83

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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.