Home / 8,173.24-11,277.29-4,813.72

Finding the Fourth Proportional to 8,173.24, 11,277.29 and 4,813.72

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Solution

The fourth proportional to 8,173.24, 11,277.29 and 4,813.72 is: 6,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.24 : 11,277.29 = 4,813.72 : x
  2. Step 2: Convert to fraction form
    8,173.24/11,277.29 = 4,813.72/x
  3. Step 3: Cross multiply
    8,173.24x = 11,277.29 × 4,813.72
  4. Step 4: Simplify right side
    8,173.24x = 54,285,716.42
  5. Step 5: Solve for x
    x = 54,285,716.42/8,173.24
  6. Step 6: Final answer
    x = 6,641.88

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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.