Home / 7,609.36-11,405.04-3,704.80

Finding the Fourth Proportional to 7,609.36, 11,405.04 and 3,704.80

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Solution

The fourth proportional to 7,609.36, 11,405.04 and 3,704.80 is: 5,552.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,609.36 : 11,405.04 = 3,704.80 : x
  2. Step 2: Convert to fraction form
    7,609.36/11,405.04 = 3,704.80/x
  3. Step 3: Cross multiply
    7,609.36x = 11,405.04 × 3,704.80
  4. Step 4: Simplify right side
    7,609.36x = 42,253,392.19
  5. Step 5: Solve for x
    x = 42,253,392.19/7,609.36
  6. Step 6: Final answer
    x = 5,552.82

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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.