Home / 8,177.48-11,286.15-4,992.63

Finding the Fourth Proportional to 8,177.48, 11,286.15 and 4,992.63

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Solution

The fourth proportional to 8,177.48, 11,286.15 and 4,992.63 is: 6,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.48 : 11,286.15 = 4,992.63 : x
  2. Step 2: Convert to fraction form
    8,177.48/11,286.15 = 4,992.63/x
  3. Step 3: Cross multiply
    8,177.48x = 11,286.15 × 4,992.63
  4. Step 4: Simplify right side
    8,177.48x = 56,347,571.07
  5. Step 5: Solve for x
    x = 56,347,571.07/8,177.48
  6. Step 6: Final answer
    x = 6,890.58

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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.