Home / 9,155.22-13,738.47-3,607.62

Finding the Fourth Proportional to 9,155.22, 13,738.47 and 3,607.62

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Solution

The fourth proportional to 9,155.22, 13,738.47 and 3,607.62 is: 5,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.22 : 13,738.47 = 3,607.62 : x
  2. Step 2: Convert to fraction form
    9,155.22/13,738.47 = 3,607.62/x
  3. Step 3: Cross multiply
    9,155.22x = 13,738.47 × 3,607.62
  4. Step 4: Simplify right side
    9,155.22x = 49,563,179.14
  5. Step 5: Solve for x
    x = 49,563,179.14/9,155.22
  6. Step 6: Final answer
    x = 5,413.65

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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.