Home / 12,629.27-18,946.02-3,862.13

Finding the Fourth Proportional to 12,629.27, 18,946.02 and 3,862.13

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Solution

The fourth proportional to 12,629.27, 18,946.02 and 3,862.13 is: 5,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.27 : 18,946.02 = 3,862.13 : x
  2. Step 2: Convert to fraction form
    12,629.27/18,946.02 = 3,862.13/x
  3. Step 3: Cross multiply
    12,629.27x = 18,946.02 × 3,862.13
  4. Step 4: Simplify right side
    12,629.27x = 73,171,897.49
  5. Step 5: Solve for x
    x = 73,171,897.49/12,629.27
  6. Step 6: Final answer
    x = 5,793.84

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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.