Home / 7,691.27-11,529.69-4,176.12

Finding the Fourth Proportional to 7,691.27, 11,529.69 and 4,176.12

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Solution

The fourth proportional to 7,691.27, 11,529.69 and 4,176.12 is: 6,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.27 : 11,529.69 = 4,176.12 : x
  2. Step 2: Convert to fraction form
    7,691.27/11,529.69 = 4,176.12/x
  3. Step 3: Cross multiply
    7,691.27x = 11,529.69 × 4,176.12
  4. Step 4: Simplify right side
    7,691.27x = 48,149,369.00
  5. Step 5: Solve for x
    x = 48,149,369.00/7,691.27
  6. Step 6: Final answer
    x = 6,260.27

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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.