Home / 8,297.20-11,450.42-4,520.67

Finding the Fourth Proportional to 8,297.20, 11,450.42 and 4,520.67

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Solution

The fourth proportional to 8,297.20, 11,450.42 and 4,520.67 is: 6,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.20 : 11,450.42 = 4,520.67 : x
  2. Step 2: Convert to fraction form
    8,297.20/11,450.42 = 4,520.67/x
  3. Step 3: Cross multiply
    8,297.20x = 11,450.42 × 4,520.67
  4. Step 4: Simplify right side
    8,297.20x = 51,763,490.33
  5. Step 5: Solve for x
    x = 51,763,490.33/8,297.20
  6. Step 6: Final answer
    x = 6,238.67

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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.