Home / 11,927.79-17,879.67-4,530.33

Finding the Fourth Proportional to 11,927.79, 17,879.67 and 4,530.33

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Solution

The fourth proportional to 11,927.79, 17,879.67 and 4,530.33 is: 6,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.79 : 17,879.67 = 4,530.33 : x
  2. Step 2: Convert to fraction form
    11,927.79/17,879.67 = 4,530.33/x
  3. Step 3: Cross multiply
    11,927.79x = 17,879.67 × 4,530.33
  4. Step 4: Simplify right side
    11,927.79x = 81,000,805.39
  5. Step 5: Solve for x
    x = 81,000,805.39/11,927.79
  6. Step 6: Final answer
    x = 6,790.93

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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.