Home / 12,074.46-18,107.37-6,531.90

Finding the Fourth Proportional to 12,074.46, 18,107.37 and 6,531.90

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Solution

The fourth proportional to 12,074.46, 18,107.37 and 6,531.90 is: 9,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.46 : 18,107.37 = 6,531.90 : x
  2. Step 2: Convert to fraction form
    12,074.46/18,107.37 = 6,531.90/x
  3. Step 3: Cross multiply
    12,074.46x = 18,107.37 × 6,531.90
  4. Step 4: Simplify right side
    12,074.46x = 118,275,530.10
  5. Step 5: Solve for x
    x = 118,275,530.10/12,074.46
  6. Step 6: Final answer
    x = 9,795.51

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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.