Home / 11,884.87-17,810.29-6,679.81

Finding the Fourth Proportional to 11,884.87, 17,810.29 and 6,679.81

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Solution

The fourth proportional to 11,884.87, 17,810.29 and 6,679.81 is: 10,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.87 : 17,810.29 = 6,679.81 : x
  2. Step 2: Convert to fraction form
    11,884.87/17,810.29 = 6,679.81/x
  3. Step 3: Cross multiply
    11,884.87x = 17,810.29 × 6,679.81
  4. Step 4: Simplify right side
    11,884.87x = 118,969,230.79
  5. Step 5: Solve for x
    x = 118,969,230.79/11,884.87
  6. Step 6: Final answer
    x = 10,010.15

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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.