Home / 8,220.14-11,343.55-4,494.06

Finding the Fourth Proportional to 8,220.14, 11,343.55 and 4,494.06

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Solution

The fourth proportional to 8,220.14, 11,343.55 and 4,494.06 is: 6,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.14 : 11,343.55 = 4,494.06 : x
  2. Step 2: Convert to fraction form
    8,220.14/11,343.55 = 4,494.06/x
  3. Step 3: Cross multiply
    8,220.14x = 11,343.55 × 4,494.06
  4. Step 4: Simplify right side
    8,220.14x = 50,978,594.31
  5. Step 5: Solve for x
    x = 50,978,594.31/8,220.14
  6. Step 6: Final answer
    x = 6,201.67

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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.