Home / 12,467.88-18,702.36-3,702.60

Finding the Fourth Proportional to 12,467.88, 18,702.36 and 3,702.60

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Solution

The fourth proportional to 12,467.88, 18,702.36 and 3,702.60 is: 5,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.88 : 18,702.36 = 3,702.60 : x
  2. Step 2: Convert to fraction form
    12,467.88/18,702.36 = 3,702.60/x
  3. Step 3: Cross multiply
    12,467.88x = 18,702.36 × 3,702.60
  4. Step 4: Simplify right side
    12,467.88x = 69,247,358.14
  5. Step 5: Solve for x
    x = 69,247,358.14/12,467.88
  6. Step 6: Final answer
    x = 5,554.06

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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.