Home / 8,361.18-12,540.35-2,516.42

Finding the Fourth Proportional to 8,361.18, 12,540.35 and 2,516.42

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Solution

The fourth proportional to 8,361.18, 12,540.35 and 2,516.42 is: 3,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.18 : 12,540.35 = 2,516.42 : x
  2. Step 2: Convert to fraction form
    8,361.18/12,540.35 = 2,516.42/x
  3. Step 3: Cross multiply
    8,361.18x = 12,540.35 × 2,516.42
  4. Step 4: Simplify right side
    8,361.18x = 31,556,712.26
  5. Step 5: Solve for x
    x = 31,556,712.26/8,361.18
  6. Step 6: Final answer
    x = 3,774.19

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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.