Home / 7,928.57-11,892.99-3,000.53

Finding the Fourth Proportional to 7,928.57, 11,892.99 and 3,000.53

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Solution

The fourth proportional to 7,928.57, 11,892.99 and 3,000.53 is: 4,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.57 : 11,892.99 = 3,000.53 : x
  2. Step 2: Convert to fraction form
    7,928.57/11,892.99 = 3,000.53/x
  3. Step 3: Cross multiply
    7,928.57x = 11,892.99 × 3,000.53
  4. Step 4: Simplify right side
    7,928.57x = 35,685,213.82
  5. Step 5: Solve for x
    x = 35,685,213.82/7,928.57
  6. Step 6: Final answer
    x = 4,500.84

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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.