Home / 8,127.73-11,216.13-4,542.77

Finding the Fourth Proportional to 8,127.73, 11,216.13 and 4,542.77

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Solution

The fourth proportional to 8,127.73, 11,216.13 and 4,542.77 is: 6,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.73 : 11,216.13 = 4,542.77 : x
  2. Step 2: Convert to fraction form
    8,127.73/11,216.13 = 4,542.77/x
  3. Step 3: Cross multiply
    8,127.73x = 11,216.13 × 4,542.77
  4. Step 4: Simplify right side
    8,127.73x = 50,952,298.88
  5. Step 5: Solve for x
    x = 50,952,298.88/8,127.73
  6. Step 6: Final answer
    x = 6,268.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.