Home / 7,923.76-11,872.27-5,146.27

Finding the Fourth Proportional to 7,923.76, 11,872.27 and 5,146.27

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Solution

The fourth proportional to 7,923.76, 11,872.27 and 5,146.27 is: 7,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.76 : 11,872.27 = 5,146.27 : x
  2. Step 2: Convert to fraction form
    7,923.76/11,872.27 = 5,146.27/x
  3. Step 3: Cross multiply
    7,923.76x = 11,872.27 × 5,146.27
  4. Step 4: Simplify right side
    7,923.76x = 61,097,906.93
  5. Step 5: Solve for x
    x = 61,097,906.93/7,923.76
  6. Step 6: Final answer
    x = 7,710.72

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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.