Home / 12,353.22-17,047.42-6,687.96

Finding the Fourth Proportional to 12,353.22, 17,047.42 and 6,687.96

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Solution

The fourth proportional to 12,353.22, 17,047.42 and 6,687.96 is: 9,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.22 : 17,047.42 = 6,687.96 : x
  2. Step 2: Convert to fraction form
    12,353.22/17,047.42 = 6,687.96/x
  3. Step 3: Cross multiply
    12,353.22x = 17,047.42 × 6,687.96
  4. Step 4: Simplify right side
    12,353.22x = 114,012,429.62
  5. Step 5: Solve for x
    x = 114,012,429.62/12,353.22
  6. Step 6: Final answer
    x = 9,229.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.