Home / 7,918.64-11,874.61-2,372.77

Finding the Fourth Proportional to 7,918.64, 11,874.61 and 2,372.77

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Solution

The fourth proportional to 7,918.64, 11,874.61 and 2,372.77 is: 3,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.64 : 11,874.61 = 2,372.77 : x
  2. Step 2: Convert to fraction form
    7,918.64/11,874.61 = 2,372.77/x
  3. Step 3: Cross multiply
    7,918.64x = 11,874.61 × 2,372.77
  4. Step 4: Simplify right side
    7,918.64x = 28,175,647.13
  5. Step 5: Solve for x
    x = 28,175,647.13/7,918.64
  6. Step 6: Final answer
    x = 3,558.14

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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.