Home / 7,664.89-11,495.97-2,117.35

Finding the Fourth Proportional to 7,664.89, 11,495.97 and 2,117.35

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Solution

The fourth proportional to 7,664.89, 11,495.97 and 2,117.35 is: 3,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.89 : 11,495.97 = 2,117.35 : x
  2. Step 2: Convert to fraction form
    7,664.89/11,495.97 = 2,117.35/x
  3. Step 3: Cross multiply
    7,664.89x = 11,495.97 × 2,117.35
  4. Step 4: Simplify right side
    7,664.89x = 24,340,992.08
  5. Step 5: Solve for x
    x = 24,340,992.08/7,664.89
  6. Step 6: Final answer
    x = 3,175.65

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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.