Home / 6,918.66-10,375.43-2,475.12

Finding the Fourth Proportional to 6,918.66, 10,375.43 and 2,475.12

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Solution

The fourth proportional to 6,918.66, 10,375.43 and 2,475.12 is: 3,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.66 : 10,375.43 = 2,475.12 : x
  2. Step 2: Convert to fraction form
    6,918.66/10,375.43 = 2,475.12/x
  3. Step 3: Cross multiply
    6,918.66x = 10,375.43 × 2,475.12
  4. Step 4: Simplify right side
    6,918.66x = 25,680,421.93
  5. Step 5: Solve for x
    x = 25,680,421.93/6,918.66
  6. Step 6: Final answer
    x = 3,711.76

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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.