Home / 12,352.67-18,531.76-4,856.95

Finding the Fourth Proportional to 12,352.67, 18,531.76 and 4,856.95

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Solution

The fourth proportional to 12,352.67, 18,531.76 and 4,856.95 is: 7,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.67 : 18,531.76 = 4,856.95 : x
  2. Step 2: Convert to fraction form
    12,352.67/18,531.76 = 4,856.95/x
  3. Step 3: Cross multiply
    12,352.67x = 18,531.76 × 4,856.95
  4. Step 4: Simplify right side
    12,352.67x = 90,007,831.73
  5. Step 5: Solve for x
    x = 90,007,831.73/12,352.67
  6. Step 6: Final answer
    x = 7,286.51

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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.