Home / 7,822.91-10,795.64-4,286.12

Finding the Fourth Proportional to 7,822.91, 10,795.64 and 4,286.12

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Solution

The fourth proportional to 7,822.91, 10,795.64 and 4,286.12 is: 5,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.91 : 10,795.64 = 4,286.12 : x
  2. Step 2: Convert to fraction form
    7,822.91/10,795.64 = 4,286.12/x
  3. Step 3: Cross multiply
    7,822.91x = 10,795.64 × 4,286.12
  4. Step 4: Simplify right side
    7,822.91x = 46,271,333.11
  5. Step 5: Solve for x
    x = 46,271,333.11/7,822.91
  6. Step 6: Final answer
    x = 5,914.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.