Home / 7,822.25-11,728.19-4,313.96

Finding the Fourth Proportional to 7,822.25, 11,728.19 and 4,313.96

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Solution

The fourth proportional to 7,822.25, 11,728.19 and 4,313.96 is: 6,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.25 : 11,728.19 = 4,313.96 : x
  2. Step 2: Convert to fraction form
    7,822.25/11,728.19 = 4,313.96/x
  3. Step 3: Cross multiply
    7,822.25x = 11,728.19 × 4,313.96
  4. Step 4: Simplify right side
    7,822.25x = 50,594,862.32
  5. Step 5: Solve for x
    x = 50,594,862.32/7,822.25
  6. Step 6: Final answer
    x = 6,468.07

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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.