Home / 11,312.06-16,967.88-3,414.42

Finding the Fourth Proportional to 11,312.06, 16,967.88 and 3,414.42

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Solution

The fourth proportional to 11,312.06, 16,967.88 and 3,414.42 is: 5,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.06 : 16,967.88 = 3,414.42 : x
  2. Step 2: Convert to fraction form
    11,312.06/16,967.88 = 3,414.42/x
  3. Step 3: Cross multiply
    11,312.06x = 16,967.88 × 3,414.42
  4. Step 4: Simplify right side
    11,312.06x = 57,935,468.83
  5. Step 5: Solve for x
    x = 57,935,468.83/11,312.06
  6. Step 6: Final answer
    x = 5,121.57

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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.