Home / 12,252.72-18,370.02-3,927.90

Finding the Fourth Proportional to 12,252.72, 18,370.02 and 3,927.90

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Solution

The fourth proportional to 12,252.72, 18,370.02 and 3,927.90 is: 5,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.72 : 18,370.02 = 3,927.90 : x
  2. Step 2: Convert to fraction form
    12,252.72/18,370.02 = 3,927.90/x
  3. Step 3: Cross multiply
    12,252.72x = 18,370.02 × 3,927.90
  4. Step 4: Simplify right side
    12,252.72x = 72,155,601.56
  5. Step 5: Solve for x
    x = 72,155,601.56/12,252.72
  6. Step 6: Final answer
    x = 5,888.95

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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.