Home / 9,350.85-12,905.31-5,371.95

Finding the Fourth Proportional to 9,350.85, 12,905.31 and 5,371.95

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Solution

The fourth proportional to 9,350.85, 12,905.31 and 5,371.95 is: 7,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.85 : 12,905.31 = 5,371.95 : x
  2. Step 2: Convert to fraction form
    9,350.85/12,905.31 = 5,371.95/x
  3. Step 3: Cross multiply
    9,350.85x = 12,905.31 × 5,371.95
  4. Step 4: Simplify right side
    9,350.85x = 69,326,680.05
  5. Step 5: Solve for x
    x = 69,326,680.05/9,350.85
  6. Step 6: Final answer
    x = 7,413.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.