Home / 7,918.51-11,874.42-2,372.64

Finding the Fourth Proportional to 7,918.51, 11,874.42 and 2,372.64

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Solution

The fourth proportional to 7,918.51, 11,874.42 and 2,372.64 is: 3,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.51 : 11,874.42 = 2,372.64 : x
  2. Step 2: Convert to fraction form
    7,918.51/11,874.42 = 2,372.64/x
  3. Step 3: Cross multiply
    7,918.51x = 11,874.42 × 2,372.64
  4. Step 4: Simplify right side
    7,918.51x = 28,173,723.87
  5. Step 5: Solve for x
    x = 28,173,723.87/7,918.51
  6. Step 6: Final answer
    x = 3,557.96

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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.