Home / 11,829.16-16,323.68-6,789.83

Finding the Fourth Proportional to 11,829.16, 16,323.68 and 6,789.83

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Solution

The fourth proportional to 11,829.16, 16,323.68 and 6,789.83 is: 9,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.16 : 16,323.68 = 6,789.83 : x
  2. Step 2: Convert to fraction form
    11,829.16/16,323.68 = 6,789.83/x
  3. Step 3: Cross multiply
    11,829.16x = 16,323.68 × 6,789.83
  4. Step 4: Simplify right side
    11,829.16x = 110,835,029.15
  5. Step 5: Solve for x
    x = 110,835,029.15/11,829.16
  6. Step 6: Final answer
    x = 9,369.65

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1.5x scale

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.