Home / 11,817.03-17,715.96-4,420.41

Finding the Fourth Proportional to 11,817.03, 17,715.96 and 4,420.41

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Solution

The fourth proportional to 11,817.03, 17,715.96 and 4,420.41 is: 6,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.03 : 17,715.96 = 4,420.41 : x
  2. Step 2: Convert to fraction form
    11,817.03/17,715.96 = 4,420.41/x
  3. Step 3: Cross multiply
    11,817.03x = 17,715.96 × 4,420.41
  4. Step 4: Simplify right side
    11,817.03x = 78,311,806.74
  5. Step 5: Solve for x
    x = 78,311,806.74/11,817.03
  6. Step 6: Final answer
    x = 6,627.03

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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.