Home / 12,183.13-16,809.85-6,876.93

Finding the Fourth Proportional to 12,183.13, 16,809.85 and 6,876.93

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Solution

The fourth proportional to 12,183.13, 16,809.85 and 6,876.93 is: 9,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.13 : 16,809.85 = 6,876.93 : x
  2. Step 2: Convert to fraction form
    12,183.13/16,809.85 = 6,876.93/x
  3. Step 3: Cross multiply
    12,183.13x = 16,809.85 × 6,876.93
  4. Step 4: Simplify right side
    12,183.13x = 115,600,161.76
  5. Step 5: Solve for x
    x = 115,600,161.76/12,183.13
  6. Step 6: Final answer
    x = 9,488.54

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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.