Home / 7,231.68-10,859.92-4,474.72

Finding the Fourth Proportional to 7,231.68, 10,859.92 and 4,474.72

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Solution

The fourth proportional to 7,231.68, 10,859.92 and 4,474.72 is: 6,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.68 : 10,859.92 = 4,474.72 : x
  2. Step 2: Convert to fraction form
    7,231.68/10,859.92 = 4,474.72/x
  3. Step 3: Cross multiply
    7,231.68x = 10,859.92 × 4,474.72
  4. Step 4: Simplify right side
    7,231.68x = 48,595,101.22
  5. Step 5: Solve for x
    x = 48,595,101.22/7,231.68
  6. Step 6: Final answer
    x = 6,719.75

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1.5x scale

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.