Home / 7,161.06-10,744.65-3,876.48

Finding the Fourth Proportional to 7,161.06, 10,744.65 and 3,876.48

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Solution

The fourth proportional to 7,161.06, 10,744.65 and 3,876.48 is: 5,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.06 : 10,744.65 = 3,876.48 : x
  2. Step 2: Convert to fraction form
    7,161.06/10,744.65 = 3,876.48/x
  3. Step 3: Cross multiply
    7,161.06x = 10,744.65 × 3,876.48
  4. Step 4: Simplify right side
    7,161.06x = 41,651,420.83
  5. Step 5: Solve for x
    x = 41,651,420.83/7,161.06
  6. Step 6: Final answer
    x = 5,816.38

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1.5x scale

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.