Home / 11,270.62-16,905.12-5,031.19

Finding the Fourth Proportional to 11,270.62, 16,905.12 and 5,031.19

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Solution

The fourth proportional to 11,270.62, 16,905.12 and 5,031.19 is: 7,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.62 : 16,905.12 = 5,031.19 : x
  2. Step 2: Convert to fraction form
    11,270.62/16,905.12 = 5,031.19/x
  3. Step 3: Cross multiply
    11,270.62x = 16,905.12 × 5,031.19
  4. Step 4: Simplify right side
    11,270.62x = 85,052,870.69
  5. Step 5: Solve for x
    x = 85,052,870.69/11,270.62
  6. Step 6: Final answer
    x = 7,546.42

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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.