Home / 11,117.82-15,342.63-6,081.96

Finding the Fourth Proportional to 11,117.82, 15,342.63 and 6,081.96

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Solution

The fourth proportional to 11,117.82, 15,342.63 and 6,081.96 is: 8,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.82 : 15,342.63 = 6,081.96 : x
  2. Step 2: Convert to fraction form
    11,117.82/15,342.63 = 6,081.96/x
  3. Step 3: Cross multiply
    11,117.82x = 15,342.63 × 6,081.96
  4. Step 4: Simplify right side
    11,117.82x = 93,313,261.95
  5. Step 5: Solve for x
    x = 93,313,261.95/11,117.82
  6. Step 6: Final answer
    x = 8,393.13

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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.