Home / 7,776.38-11,664.60-2,582.25

Finding the Fourth Proportional to 7,776.38, 11,664.60 and 2,582.25

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Solution

The fourth proportional to 7,776.38, 11,664.60 and 2,582.25 is: 3,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.38 : 11,664.60 = 2,582.25 : x
  2. Step 2: Convert to fraction form
    7,776.38/11,664.60 = 2,582.25/x
  3. Step 3: Cross multiply
    7,776.38x = 11,664.60 × 2,582.25
  4. Step 4: Simplify right side
    7,776.38x = 30,120,913.35
  5. Step 5: Solve for x
    x = 30,120,913.35/7,776.38
  6. Step 6: Final answer
    x = 3,873.39

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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.