Home / 7,924.80-11,889.08-2,730.56

Finding the Fourth Proportional to 7,924.80, 11,889.08 and 2,730.56

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Solution

The fourth proportional to 7,924.80, 11,889.08 and 2,730.56 is: 4,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.80 : 11,889.08 = 2,730.56 : x
  2. Step 2: Convert to fraction form
    7,924.80/11,889.08 = 2,730.56/x
  3. Step 3: Cross multiply
    7,924.80x = 11,889.08 × 2,730.56
  4. Step 4: Simplify right side
    7,924.80x = 32,463,846.28
  5. Step 5: Solve for x
    x = 32,463,846.28/7,924.80
  6. Step 6: Final answer
    x = 4,096.49

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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.