Home / 11,512.91-15,886.32-6,476.51

Finding the Fourth Proportional to 11,512.91, 15,886.32 and 6,476.51

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Solution

The fourth proportional to 11,512.91, 15,886.32 and 6,476.51 is: 8,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.91 : 15,886.32 = 6,476.51 : x
  2. Step 2: Convert to fraction form
    11,512.91/15,886.32 = 6,476.51/x
  3. Step 3: Cross multiply
    11,512.91x = 15,886.32 × 6,476.51
  4. Step 4: Simplify right side
    11,512.91x = 102,887,910.34
  5. Step 5: Solve for x
    x = 102,887,910.34/11,512.91
  6. Step 6: Final answer
    x = 8,936.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.