Home / 7,614.10-11,425.38-3,718.54

Finding the Fourth Proportional to 7,614.10, 11,425.38 and 3,718.54

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Solution

The fourth proportional to 7,614.10, 11,425.38 and 3,718.54 is: 5,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.10 : 11,425.38 = 3,718.54 : x
  2. Step 2: Convert to fraction form
    7,614.10/11,425.38 = 3,718.54/x
  3. Step 3: Cross multiply
    7,614.10x = 11,425.38 × 3,718.54
  4. Step 4: Simplify right side
    7,614.10x = 42,485,732.55
  5. Step 5: Solve for x
    x = 42,485,732.55/7,614.10
  6. Step 6: Final answer
    x = 5,579.88

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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.