Home / 8,171.81-11,277.66-4,635.25

Finding the Fourth Proportional to 8,171.81, 11,277.66 and 4,635.25

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Solution

The fourth proportional to 8,171.81, 11,277.66 and 4,635.25 is: 6,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.81 : 11,277.66 = 4,635.25 : x
  2. Step 2: Convert to fraction form
    8,171.81/11,277.66 = 4,635.25/x
  3. Step 3: Cross multiply
    8,171.81x = 11,277.66 × 4,635.25
  4. Step 4: Simplify right side
    8,171.81x = 52,274,773.52
  5. Step 5: Solve for x
    x = 52,274,773.52/8,171.81
  6. Step 6: Final answer
    x = 6,396.96

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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.