Home / 7,431.92-11,133.42-4,135.02

Finding the Fourth Proportional to 7,431.92, 11,133.42 and 4,135.02

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Solution

The fourth proportional to 7,431.92, 11,133.42 and 4,135.02 is: 6,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.92 : 11,133.42 = 4,135.02 : x
  2. Step 2: Convert to fraction form
    7,431.92/11,133.42 = 4,135.02/x
  3. Step 3: Cross multiply
    7,431.92x = 11,133.42 × 4,135.02
  4. Step 4: Simplify right side
    7,431.92x = 46,036,914.37
  5. Step 5: Solve for x
    x = 46,036,914.37/7,431.92
  6. Step 6: Final answer
    x = 6,194.48

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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.