Home / 7,815.68-11,723.88-4,350.32

Finding the Fourth Proportional to 7,815.68, 11,723.88 and 4,350.32

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Solution

The fourth proportional to 7,815.68, 11,723.88 and 4,350.32 is: 6,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.68 : 11,723.88 = 4,350.32 : x
  2. Step 2: Convert to fraction form
    7,815.68/11,723.88 = 4,350.32/x
  3. Step 3: Cross multiply
    7,815.68x = 11,723.88 × 4,350.32
  4. Step 4: Simplify right side
    7,815.68x = 51,002,629.64
  5. Step 5: Solve for x
    x = 51,002,629.64/7,815.68
  6. Step 6: Final answer
    x = 6,525.68

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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.