Home / 12,373.12-18,560.31-3,608.70

Finding the Fourth Proportional to 12,373.12, 18,560.31 and 3,608.70

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Solution

The fourth proportional to 12,373.12, 18,560.31 and 3,608.70 is: 5,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.12 : 18,560.31 = 3,608.70 : x
  2. Step 2: Convert to fraction form
    12,373.12/18,560.31 = 3,608.70/x
  3. Step 3: Cross multiply
    12,373.12x = 18,560.31 × 3,608.70
  4. Step 4: Simplify right side
    12,373.12x = 66,978,590.70
  5. Step 5: Solve for x
    x = 66,978,590.70/12,373.12
  6. Step 6: Final answer
    x = 5,413.23

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1.5x scale

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.