Home / 12,549.56-17,318.62-6,884.59

Finding the Fourth Proportional to 12,549.56, 17,318.62 and 6,884.59

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Solution

The fourth proportional to 12,549.56, 17,318.62 and 6,884.59 is: 9,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.56 : 17,318.62 = 6,884.59 : x
  2. Step 2: Convert to fraction form
    12,549.56/17,318.62 = 6,884.59/x
  3. Step 3: Cross multiply
    12,549.56x = 17,318.62 × 6,884.59
  4. Step 4: Simplify right side
    12,549.56x = 119,231,624.15
  5. Step 5: Solve for x
    x = 119,231,624.15/12,549.56
  6. Step 6: Final answer
    x = 9,500.86

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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.