Home / 9,150.64-13,730.56-3,607.96

Finding the Fourth Proportional to 9,150.64, 13,730.56 and 3,607.96

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Solution

The fourth proportional to 9,150.64, 13,730.56 and 3,607.96 is: 5,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.64 : 13,730.56 = 3,607.96 : x
  2. Step 2: Convert to fraction form
    9,150.64/13,730.56 = 3,607.96/x
  3. Step 3: Cross multiply
    9,150.64x = 13,730.56 × 3,607.96
  4. Step 4: Simplify right side
    9,150.64x = 49,539,311.26
  5. Step 5: Solve for x
    x = 49,539,311.26/9,150.64
  6. Step 6: Final answer
    x = 5,413.75

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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.