Home / 11,828.85-16,323.07-6,789.52

Finding the Fourth Proportional to 11,828.85, 16,323.07 and 6,789.52

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Solution

The fourth proportional to 11,828.85, 16,323.07 and 6,789.52 is: 9,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.85 : 16,323.07 = 6,789.52 : x
  2. Step 2: Convert to fraction form
    11,828.85/16,323.07 = 6,789.52/x
  3. Step 3: Cross multiply
    11,828.85x = 16,323.07 × 6,789.52
  4. Step 4: Simplify right side
    11,828.85x = 110,825,810.23
  5. Step 5: Solve for x
    x = 110,825,810.23/11,828.85
  6. Step 6: Final answer
    x = 9,369.11

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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.