Home / 9,350.64-12,904.38-5,372.01

Finding the Fourth Proportional to 9,350.64, 12,904.38 and 5,372.01

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Solution

The fourth proportional to 9,350.64, 12,904.38 and 5,372.01 is: 7,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.64 : 12,904.38 = 5,372.01 : x
  2. Step 2: Convert to fraction form
    9,350.64/12,904.38 = 5,372.01/x
  3. Step 3: Cross multiply
    9,350.64x = 12,904.38 × 5,372.01
  4. Step 4: Simplify right side
    9,350.64x = 69,322,389.87
  5. Step 5: Solve for x
    x = 69,322,389.87/9,350.64
  6. Step 6: Final answer
    x = 7,413.65

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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.