Home / 11,493.78-17,243.34-3,702.54

Finding the Fourth Proportional to 11,493.78, 17,243.34 and 3,702.54

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Solution

The fourth proportional to 11,493.78, 17,243.34 and 3,702.54 is: 5,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.78 : 17,243.34 = 3,702.54 : x
  2. Step 2: Convert to fraction form
    11,493.78/17,243.34 = 3,702.54/x
  3. Step 3: Cross multiply
    11,493.78x = 17,243.34 × 3,702.54
  4. Step 4: Simplify right side
    11,493.78x = 63,844,156.08
  5. Step 5: Solve for x
    x = 63,844,156.08/11,493.78
  6. Step 6: Final answer
    x = 5,554.67

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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.