Home / 11,214.45-15,475.43-6,178.43

Finding the Fourth Proportional to 11,214.45, 15,475.43 and 6,178.43

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Solution

The fourth proportional to 11,214.45, 15,475.43 and 6,178.43 is: 8,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.45 : 15,475.43 = 6,178.43 : x
  2. Step 2: Convert to fraction form
    11,214.45/15,475.43 = 6,178.43/x
  3. Step 3: Cross multiply
    11,214.45x = 15,475.43 × 6,178.43
  4. Step 4: Simplify right side
    11,214.45x = 95,613,860.97
  5. Step 5: Solve for x
    x = 95,613,860.97/11,214.45
  6. Step 6: Final answer
    x = 8,525.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.