Home / 12,183.48-16,813.98-6,876.36

Finding the Fourth Proportional to 12,183.48, 16,813.98 and 6,876.36

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Solution

The fourth proportional to 12,183.48, 16,813.98 and 6,876.36 is: 9,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.48 : 16,813.98 = 6,876.36 : x
  2. Step 2: Convert to fraction form
    12,183.48/16,813.98 = 6,876.36/x
  3. Step 3: Cross multiply
    12,183.48x = 16,813.98 × 6,876.36
  4. Step 4: Simplify right side
    12,183.48x = 115,618,979.51
  5. Step 5: Solve for x
    x = 115,618,979.51/12,183.48
  6. Step 6: Final answer
    x = 9,489.82

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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.