Home / 7,929.75-11,893.69-2,383.09

Finding the Fourth Proportional to 7,929.75, 11,893.69 and 2,383.09

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Solution

The fourth proportional to 7,929.75, 11,893.69 and 2,383.09 is: 3,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.75 : 11,893.69 = 2,383.09 : x
  2. Step 2: Convert to fraction form
    7,929.75/11,893.69 = 2,383.09/x
  3. Step 3: Cross multiply
    7,929.75x = 11,893.69 × 2,383.09
  4. Step 4: Simplify right side
    7,929.75x = 28,343,693.54
  5. Step 5: Solve for x
    x = 28,343,693.54/7,929.75
  6. Step 6: Final answer
    x = 3,574.35

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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.