Home / 7,118.91-10,678.41-4,669.29

Finding the Fourth Proportional to 7,118.91, 10,678.41 and 4,669.29

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Solution

The fourth proportional to 7,118.91, 10,678.41 and 4,669.29 is: 7,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.91 : 10,678.41 = 4,669.29 : x
  2. Step 2: Convert to fraction form
    7,118.91/10,678.41 = 4,669.29/x
  3. Step 3: Cross multiply
    7,118.91x = 10,678.41 × 4,669.29
  4. Step 4: Simplify right side
    7,118.91x = 49,860,593.03
  5. Step 5: Solve for x
    x = 49,860,593.03/7,118.91
  6. Step 6: Final answer
    x = 7,003.96

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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.