Home / 11,180.19-16,778-4,606.39

Finding the Fourth Proportional to 11,180.19, 16,778 and 4,606.39

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Solution

The fourth proportional to 11,180.19, 16,778 and 4,606.39 is: 6,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.19 : 16,778 = 4,606.39 : x
  2. Step 2: Convert to fraction form
    11,180.19/16,778 = 4,606.39/x
  3. Step 3: Cross multiply
    11,180.19x = 16,778 × 4,606.39
  4. Step 4: Simplify right side
    11,180.19x = 77,286,011.42
  5. Step 5: Solve for x
    x = 77,286,011.42/11,180.19
  6. Step 6: Final answer
    x = 6,912.76

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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.