Home / 9,935.28-13,713.24-5,745.96

Finding the Fourth Proportional to 9,935.28, 13,713.24 and 5,745.96

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Solution

The fourth proportional to 9,935.28, 13,713.24 and 5,745.96 is: 7,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.28 : 13,713.24 = 5,745.96 : x
  2. Step 2: Convert to fraction form
    9,935.28/13,713.24 = 5,745.96/x
  3. Step 3: Cross multiply
    9,935.28x = 13,713.24 × 5,745.96
  4. Step 4: Simplify right side
    9,935.28x = 78,795,728.51
  5. Step 5: Solve for x
    x = 78,795,728.51/9,935.28
  6. Step 6: Final answer
    x = 7,930.90

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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.