Home / 12,446.12-18,675.66-5,519

Finding the Fourth Proportional to 12,446.12, 18,675.66 and 5,519

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Solution

The fourth proportional to 12,446.12, 18,675.66 and 5,519 is: 8,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.12 : 18,675.66 = 5,519 : x
  2. Step 2: Convert to fraction form
    12,446.12/18,675.66 = 5,519/x
  3. Step 3: Cross multiply
    12,446.12x = 18,675.66 × 5,519
  4. Step 4: Simplify right side
    12,446.12x = 103,070,967.54
  5. Step 5: Solve for x
    x = 103,070,967.54/12,446.12
  6. Step 6: Final answer
    x = 8,281.37

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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.