Home / 11,871.83-16,383.53-6,566.33

Finding the Fourth Proportional to 11,871.83, 16,383.53 and 6,566.33

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Solution

The fourth proportional to 11,871.83, 16,383.53 and 6,566.33 is: 9,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.83 : 16,383.53 = 6,566.33 : x
  2. Step 2: Convert to fraction form
    11,871.83/16,383.53 = 6,566.33/x
  3. Step 3: Cross multiply
    11,871.83x = 16,383.53 × 6,566.33
  4. Step 4: Simplify right side
    11,871.83x = 107,579,664.54
  5. Step 5: Solve for x
    x = 107,579,664.54/11,871.83
  6. Step 6: Final answer
    x = 9,061.76

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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.