Home / 11,767.89-16,239.79-6,462.82

Finding the Fourth Proportional to 11,767.89, 16,239.79 and 6,462.82

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Solution

The fourth proportional to 11,767.89, 16,239.79 and 6,462.82 is: 8,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.89 : 16,239.79 = 6,462.82 : x
  2. Step 2: Convert to fraction form
    11,767.89/16,239.79 = 6,462.82/x
  3. Step 3: Cross multiply
    11,767.89x = 16,239.79 × 6,462.82
  4. Step 4: Simplify right side
    11,767.89x = 104,954,758.41
  5. Step 5: Solve for x
    x = 104,954,758.41/11,767.89
  6. Step 6: Final answer
    x = 8,918.74

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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.