Home / 12,403.97-18,608.51-4,084.48

Finding the Fourth Proportional to 12,403.97, 18,608.51 and 4,084.48

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Solution

The fourth proportional to 12,403.97, 18,608.51 and 4,084.48 is: 6,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.97 : 18,608.51 = 4,084.48 : x
  2. Step 2: Convert to fraction form
    12,403.97/18,608.51 = 4,084.48/x
  3. Step 3: Cross multiply
    12,403.97x = 18,608.51 × 4,084.48
  4. Step 4: Simplify right side
    12,403.97x = 76,006,086.92
  5. Step 5: Solve for x
    x = 76,006,086.92/12,403.97
  6. Step 6: Final answer
    x = 6,127.56

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1.5x scale

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.