Home / 7,406.72-11,106.24-2,725.09

Finding the Fourth Proportional to 7,406.72, 11,106.24 and 2,725.09

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Solution

The fourth proportional to 7,406.72, 11,106.24 and 2,725.09 is: 4,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.72 : 11,106.24 = 2,725.09 : x
  2. Step 2: Convert to fraction form
    7,406.72/11,106.24 = 2,725.09/x
  3. Step 3: Cross multiply
    7,406.72x = 11,106.24 × 2,725.09
  4. Step 4: Simplify right side
    7,406.72x = 30,265,535.71
  5. Step 5: Solve for x
    x = 30,265,535.71/7,406.72
  6. Step 6: Final answer
    x = 4,086.23

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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.