Home / 11,059.47-15,235.25-8,221.94

Finding the Fourth Proportional to 11,059.47, 15,235.25 and 8,221.94

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Solution

The fourth proportional to 11,059.47, 15,235.25 and 8,221.94 is: 11,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.47 : 15,235.25 = 8,221.94 : x
  2. Step 2: Convert to fraction form
    11,059.47/15,235.25 = 8,221.94/x
  3. Step 3: Cross multiply
    11,059.47x = 15,235.25 × 8,221.94
  4. Step 4: Simplify right side
    11,059.47x = 125,263,235.21
  5. Step 5: Solve for x
    x = 125,263,235.21/11,059.47
  6. Step 6: Final answer
    x = 11,326.34

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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.