Home / 7,422.21-11,134.58-3,723.57

Finding the Fourth Proportional to 7,422.21, 11,134.58 and 3,723.57

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Solution

The fourth proportional to 7,422.21, 11,134.58 and 3,723.57 is: 5,585.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.21 : 11,134.58 = 3,723.57 : x
  2. Step 2: Convert to fraction form
    7,422.21/11,134.58 = 3,723.57/x
  3. Step 3: Cross multiply
    7,422.21x = 11,134.58 × 3,723.57
  4. Step 4: Simplify right side
    7,422.21x = 41,460,369.43
  5. Step 5: Solve for x
    x = 41,460,369.43/7,422.21
  6. Step 6: Final answer
    x = 5,585.99

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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.