Home / 6,683.82-9,226.10-3,889.32

Finding the Fourth Proportional to 6,683.82, 9,226.10 and 3,889.32

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Solution

The fourth proportional to 6,683.82, 9,226.10 and 3,889.32 is: 5,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,683.82 : 9,226.10 = 3,889.32 : x
  2. Step 2: Convert to fraction form
    6,683.82/9,226.10 = 3,889.32/x
  3. Step 3: Cross multiply
    6,683.82x = 9,226.10 × 3,889.32
  4. Step 4: Simplify right side
    6,683.82x = 35,883,189.67
  5. Step 5: Solve for x
    x = 35,883,189.67/6,683.82
  6. Step 6: Final answer
    x = 5,368.67

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Half scale
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Double scale
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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.