Home / 11,459.25-17,188.88-3,251.25

Finding the Fourth Proportional to 11,459.25, 17,188.88 and 3,251.25

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Solution

The fourth proportional to 11,459.25, 17,188.88 and 3,251.25 is: 4,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.25 : 17,188.88 = 3,251.25 : x
  2. Step 2: Convert to fraction form
    11,459.25/17,188.88 = 3,251.25/x
  3. Step 3: Cross multiply
    11,459.25x = 17,188.88 × 3,251.25
  4. Step 4: Simplify right side
    11,459.25x = 55,885,329.84
  5. Step 5: Solve for x
    x = 55,885,329.84/11,459.25
  6. Step 6: Final answer
    x = 4,876.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.