Home / 11,927.67-16,458.44-6,622.53

Finding the Fourth Proportional to 11,927.67, 16,458.44 and 6,622.53

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Solution

The fourth proportional to 11,927.67, 16,458.44 and 6,622.53 is: 9,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.67 : 16,458.44 = 6,622.53 : x
  2. Step 2: Convert to fraction form
    11,927.67/16,458.44 = 6,622.53/x
  3. Step 3: Cross multiply
    11,927.67x = 16,458.44 × 6,622.53
  4. Step 4: Simplify right side
    11,927.67x = 108,996,479.54
  5. Step 5: Solve for x
    x = 108,996,479.54/11,927.67
  6. Step 6: Final answer
    x = 9,138.12

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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.