Home / 11,028.50-15,221.14-8,054.18

Finding the Fourth Proportional to 11,028.50, 15,221.14 and 8,054.18

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Solution

The fourth proportional to 11,028.50, 15,221.14 and 8,054.18 is: 11,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.50 : 15,221.14 = 8,054.18 : x
  2. Step 2: Convert to fraction form
    11,028.50/15,221.14 = 8,054.18/x
  3. Step 3: Cross multiply
    11,028.50x = 15,221.14 × 8,054.18
  4. Step 4: Simplify right side
    11,028.50x = 122,593,725.26
  5. Step 5: Solve for x
    x = 122,593,725.26/11,028.50
  6. Step 6: Final answer
    x = 11,116.09

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Half scale
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Double scale
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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.