Home / 11,761.84-16,231.48-6,456.52

Finding the Fourth Proportional to 11,761.84, 16,231.48 and 6,456.52

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Solution

The fourth proportional to 11,761.84, 16,231.48 and 6,456.52 is: 8,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.84 : 16,231.48 = 6,456.52 : x
  2. Step 2: Convert to fraction form
    11,761.84/16,231.48 = 6,456.52/x
  3. Step 3: Cross multiply
    11,761.84x = 16,231.48 × 6,456.52
  4. Step 4: Simplify right side
    11,761.84x = 104,798,875.25
  5. Step 5: Solve for x
    x = 104,798,875.25/11,761.84
  6. Step 6: Final answer
    x = 8,910.07

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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.