Home / 7,822.29-11,725.20-4,860.75

Finding the Fourth Proportional to 7,822.29, 11,725.20 and 4,860.75

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Solution

The fourth proportional to 7,822.29, 11,725.20 and 4,860.75 is: 7,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.29 : 11,725.20 = 4,860.75 : x
  2. Step 2: Convert to fraction form
    7,822.29/11,725.20 = 4,860.75/x
  3. Step 3: Cross multiply
    7,822.29x = 11,725.20 × 4,860.75
  4. Step 4: Simplify right side
    7,822.29x = 56,993,265.90
  5. Step 5: Solve for x
    x = 56,993,265.90/7,822.29
  6. Step 6: Final answer
    x = 7,286.01

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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.