Home / 8,045.20-11,104.68-7,258.96

Finding the Fourth Proportional to 8,045.20, 11,104.68 and 7,258.96

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Solution

The fourth proportional to 8,045.20, 11,104.68 and 7,258.96 is: 10,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.20 : 11,104.68 = 7,258.96 : x
  2. Step 2: Convert to fraction form
    8,045.20/11,104.68 = 7,258.96/x
  3. Step 3: Cross multiply
    8,045.20x = 11,104.68 × 7,258.96
  4. Step 4: Simplify right side
    8,045.20x = 80,608,427.93
  5. Step 5: Solve for x
    x = 80,608,427.93/8,045.20
  6. Step 6: Final answer
    x = 10,019.44

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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.