Home / 12,414.50-17,132.01-6,825.38

Finding the Fourth Proportional to 12,414.50, 17,132.01 and 6,825.38

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Solution

The fourth proportional to 12,414.50, 17,132.01 and 6,825.38 is: 9,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.50 : 17,132.01 = 6,825.38 : x
  2. Step 2: Convert to fraction form
    12,414.50/17,132.01 = 6,825.38/x
  3. Step 3: Cross multiply
    12,414.50x = 17,132.01 × 6,825.38
  4. Step 4: Simplify right side
    12,414.50x = 116,932,478.41
  5. Step 5: Solve for x
    x = 116,932,478.41/12,414.50
  6. Step 6: Final answer
    x = 9,419.02

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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.