Home / 11,767.91-16,244.62-8,412.08

Finding the Fourth Proportional to 11,767.91, 16,244.62 and 8,412.08

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Solution

The fourth proportional to 11,767.91, 16,244.62 and 8,412.08 is: 11,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.91 : 16,244.62 = 8,412.08 : x
  2. Step 2: Convert to fraction form
    11,767.91/16,244.62 = 8,412.08/x
  3. Step 3: Cross multiply
    11,767.91x = 16,244.62 × 8,412.08
  4. Step 4: Simplify right side
    11,767.91x = 136,650,940.76
  5. Step 5: Solve for x
    x = 136,650,940.76/11,767.91
  6. Step 6: Final answer
    x = 11,612.17

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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.