Home / 8,410.86-12,618.09-2,567.28

Finding the Fourth Proportional to 8,410.86, 12,618.09 and 2,567.28

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Solution

The fourth proportional to 8,410.86, 12,618.09 and 2,567.28 is: 3,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.86 : 12,618.09 = 2,567.28 : x
  2. Step 2: Convert to fraction form
    8,410.86/12,618.09 = 2,567.28/x
  3. Step 3: Cross multiply
    8,410.86x = 12,618.09 × 2,567.28
  4. Step 4: Simplify right side
    8,410.86x = 32,394,170.10
  5. Step 5: Solve for x
    x = 32,394,170.10/8,410.86
  6. Step 6: Final answer
    x = 3,851.47

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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.