Home / 6,889.23-10,335.33-2,208.15

Finding the Fourth Proportional to 6,889.23, 10,335.33 and 2,208.15

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Solution

The fourth proportional to 6,889.23, 10,335.33 and 2,208.15 is: 3,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.23 : 10,335.33 = 2,208.15 : x
  2. Step 2: Convert to fraction form
    6,889.23/10,335.33 = 2,208.15/x
  3. Step 3: Cross multiply
    6,889.23x = 10,335.33 × 2,208.15
  4. Step 4: Simplify right side
    6,889.23x = 22,821,958.94
  5. Step 5: Solve for x
    x = 22,821,958.94/6,889.23
  6. Step 6: Final answer
    x = 3,312.70

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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.