Home / 11,872.20-16,383.12-6,566.52

Finding the Fourth Proportional to 11,872.20, 16,383.12 and 6,566.52

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Solution

The fourth proportional to 11,872.20, 16,383.12 and 6,566.52 is: 9,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.20 : 16,383.12 = 6,566.52 : x
  2. Step 2: Convert to fraction form
    11,872.20/16,383.12 = 6,566.52/x
  3. Step 3: Cross multiply
    11,872.20x = 16,383.12 × 6,566.52
  4. Step 4: Simplify right side
    11,872.20x = 107,580,085.14
  5. Step 5: Solve for x
    x = 107,580,085.14/11,872.20
  6. Step 6: Final answer
    x = 9,061.51

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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.