Home / 11,059.11-15,267.42-8,535.78

Finding the Fourth Proportional to 11,059.11, 15,267.42 and 8,535.78

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Solution

The fourth proportional to 11,059.11, 15,267.42 and 8,535.78 is: 11,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.11 : 15,267.42 = 8,535.78 : x
  2. Step 2: Convert to fraction form
    11,059.11/15,267.42 = 8,535.78/x
  3. Step 3: Cross multiply
    11,059.11x = 15,267.42 × 8,535.78
  4. Step 4: Simplify right side
    11,059.11x = 130,319,338.29
  5. Step 5: Solve for x
    x = 130,319,338.29/11,059.11
  6. Step 6: Final answer
    x = 11,783.89

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Half scale
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Double scale
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Similar ratio
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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.