Home / 10,972.23-16,459.97-3,180.03

Finding the Fourth Proportional to 10,972.23, 16,459.97 and 3,180.03

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Solution

The fourth proportional to 10,972.23, 16,459.97 and 3,180.03 is: 4,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.23 : 16,459.97 = 3,180.03 : x
  2. Step 2: Convert to fraction form
    10,972.23/16,459.97 = 3,180.03/x
  3. Step 3: Cross multiply
    10,972.23x = 16,459.97 × 3,180.03
  4. Step 4: Simplify right side
    10,972.23x = 52,343,198.40
  5. Step 5: Solve for x
    x = 52,343,198.40/10,972.23
  6. Step 6: Final answer
    x = 4,770.52

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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.