Home / 11,767.07-16,238.78-6,462.08

Finding the Fourth Proportional to 11,767.07, 16,238.78 and 6,462.08

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Solution

The fourth proportional to 11,767.07, 16,238.78 and 6,462.08 is: 8,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.07 : 16,238.78 = 6,462.08 : x
  2. Step 2: Convert to fraction form
    11,767.07/16,238.78 = 6,462.08/x
  3. Step 3: Cross multiply
    11,767.07x = 16,238.78 × 6,462.08
  4. Step 4: Simplify right side
    11,767.07x = 104,936,267.09
  5. Step 5: Solve for x
    x = 104,936,267.09/11,767.07
  6. Step 6: Final answer
    x = 8,917.79

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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.