Home / 11,326.73-16,976.21-5,085.14

Finding the Fourth Proportional to 11,326.73, 16,976.21 and 5,085.14

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Solution

The fourth proportional to 11,326.73, 16,976.21 and 5,085.14 is: 7,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.73 : 16,976.21 = 5,085.14 : x
  2. Step 2: Convert to fraction form
    11,326.73/16,976.21 = 5,085.14/x
  3. Step 3: Cross multiply
    11,326.73x = 16,976.21 × 5,085.14
  4. Step 4: Simplify right side
    11,326.73x = 86,326,294.21
  5. Step 5: Solve for x
    x = 86,326,294.21/11,326.73
  6. Step 6: Final answer
    x = 7,621.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.