Home / 11,781.69-16,257.94-6,476.25

Finding the Fourth Proportional to 11,781.69, 16,257.94 and 6,476.25

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Solution

The fourth proportional to 11,781.69, 16,257.94 and 6,476.25 is: 8,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.69 : 16,257.94 = 6,476.25 : x
  2. Step 2: Convert to fraction form
    11,781.69/16,257.94 = 6,476.25/x
  3. Step 3: Cross multiply
    11,781.69x = 16,257.94 × 6,476.25
  4. Step 4: Simplify right side
    11,781.69x = 105,290,483.93
  5. Step 5: Solve for x
    x = 105,290,483.93/11,781.69
  6. Step 6: Final answer
    x = 8,936.79

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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.