Home / 7,115.15-10,673.27-5,451.68

Finding the Fourth Proportional to 7,115.15, 10,673.27 and 5,451.68

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Solution

The fourth proportional to 7,115.15, 10,673.27 and 5,451.68 is: 8,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.15 : 10,673.27 = 5,451.68 : x
  2. Step 2: Convert to fraction form
    7,115.15/10,673.27 = 5,451.68/x
  3. Step 3: Cross multiply
    7,115.15x = 10,673.27 × 5,451.68
  4. Step 4: Simplify right side
    7,115.15x = 58,187,252.59
  5. Step 5: Solve for x
    x = 58,187,252.59/7,115.15
  6. Step 6: Final answer
    x = 8,177.94

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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.