Home / 7,520.20-11,280.22-2,326.12

Finding the Fourth Proportional to 7,520.20, 11,280.22 and 2,326.12

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Solution

The fourth proportional to 7,520.20, 11,280.22 and 2,326.12 is: 3,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.20 : 11,280.22 = 2,326.12 : x
  2. Step 2: Convert to fraction form
    7,520.20/11,280.22 = 2,326.12/x
  3. Step 3: Cross multiply
    7,520.20x = 11,280.22 × 2,326.12
  4. Step 4: Simplify right side
    7,520.20x = 26,239,145.35
  5. Step 5: Solve for x
    x = 26,239,145.35/7,520.20
  6. Step 6: Final answer
    x = 3,489.16

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.