Home / 12,310.90-18,466.38-3,546.52

Finding the Fourth Proportional to 12,310.90, 18,466.38 and 3,546.52

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Solution

The fourth proportional to 12,310.90, 18,466.38 and 3,546.52 is: 5,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.90 : 18,466.38 = 3,546.52 : x
  2. Step 2: Convert to fraction form
    12,310.90/18,466.38 = 3,546.52/x
  3. Step 3: Cross multiply
    12,310.90x = 18,466.38 × 3,546.52
  4. Step 4: Simplify right side
    12,310.90x = 65,491,386.00
  5. Step 5: Solve for x
    x = 65,491,386.00/12,310.90
  6. Step 6: Final answer
    x = 5,319.79

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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.