Home / 12,083.93-18,121.53-4,184.30

Finding the Fourth Proportional to 12,083.93, 18,121.53 and 4,184.30

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Solution

The fourth proportional to 12,083.93, 18,121.53 and 4,184.30 is: 6,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.93 : 18,121.53 = 4,184.30 : x
  2. Step 2: Convert to fraction form
    12,083.93/18,121.53 = 4,184.30/x
  3. Step 3: Cross multiply
    12,083.93x = 18,121.53 × 4,184.30
  4. Step 4: Simplify right side
    12,083.93x = 75,825,978.97
  5. Step 5: Solve for x
    x = 75,825,978.97/12,083.93
  6. Step 6: Final answer
    x = 6,274.94

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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.