Home / 7,392.43-11,082.75-4,268.89

Finding the Fourth Proportional to 7,392.43, 11,082.75 and 4,268.89

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Solution

The fourth proportional to 7,392.43, 11,082.75 and 4,268.89 is: 6,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.43 : 11,082.75 = 4,268.89 : x
  2. Step 2: Convert to fraction form
    7,392.43/11,082.75 = 4,268.89/x
  3. Step 3: Cross multiply
    7,392.43x = 11,082.75 × 4,268.89
  4. Step 4: Simplify right side
    7,392.43x = 47,311,040.65
  5. Step 5: Solve for x
    x = 47,311,040.65/7,392.43
  6. Step 6: Final answer
    x = 6,399.93

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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.