Home / 12,627.18-18,940.74-3,862.08

Finding the Fourth Proportional to 12,627.18, 18,940.74 and 3,862.08

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Solution

The fourth proportional to 12,627.18, 18,940.74 and 3,862.08 is: 5,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.18 : 18,940.74 = 3,862.08 : x
  2. Step 2: Convert to fraction form
    12,627.18/18,940.74 = 3,862.08/x
  3. Step 3: Cross multiply
    12,627.18x = 18,940.74 × 3,862.08
  4. Step 4: Simplify right side
    12,627.18x = 73,150,653.14
  5. Step 5: Solve for x
    x = 73,150,653.14/12,627.18
  6. Step 6: Final answer
    x = 5,793.11

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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.