Home / 6,911.79-10,365.85-2,529.28

Finding the Fourth Proportional to 6,911.79, 10,365.85 and 2,529.28

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Solution

The fourth proportional to 6,911.79, 10,365.85 and 2,529.28 is: 3,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.79 : 10,365.85 = 2,529.28 : x
  2. Step 2: Convert to fraction form
    6,911.79/10,365.85 = 2,529.28/x
  3. Step 3: Cross multiply
    6,911.79x = 10,365.85 × 2,529.28
  4. Step 4: Simplify right side
    6,911.79x = 26,218,137.09
  5. Step 5: Solve for x
    x = 26,218,137.09/6,911.79
  6. Step 6: Final answer
    x = 3,793.25

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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.