Home / 7,529.22-11,294.46-3,147.06

Finding the Fourth Proportional to 7,529.22, 11,294.46 and 3,147.06

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Solution

The fourth proportional to 7,529.22, 11,294.46 and 3,147.06 is: 4,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.22 : 11,294.46 = 3,147.06 : x
  2. Step 2: Convert to fraction form
    7,529.22/11,294.46 = 3,147.06/x
  3. Step 3: Cross multiply
    7,529.22x = 11,294.46 × 3,147.06
  4. Step 4: Simplify right side
    7,529.22x = 35,544,343.29
  5. Step 5: Solve for x
    x = 35,544,343.29/7,529.22
  6. Step 6: Final answer
    x = 4,720.85

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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.