Home / 8,201.67-11,317.90-4,664.81

Finding the Fourth Proportional to 8,201.67, 11,317.90 and 4,664.81

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Solution

The fourth proportional to 8,201.67, 11,317.90 and 4,664.81 is: 6,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.67 : 11,317.90 = 4,664.81 : x
  2. Step 2: Convert to fraction form
    8,201.67/11,317.90 = 4,664.81/x
  3. Step 3: Cross multiply
    8,201.67x = 11,317.90 × 4,664.81
  4. Step 4: Simplify right side
    8,201.67x = 52,795,853.10
  5. Step 5: Solve for x
    x = 52,795,853.10/8,201.67
  6. Step 6: Final answer
    x = 6,437.21

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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.