Home / 7,626.96-11,430.72-3,243.24

Finding the Fourth Proportional to 7,626.96, 11,430.72 and 3,243.24

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Solution

The fourth proportional to 7,626.96, 11,430.72 and 3,243.24 is: 4,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.96 : 11,430.72 = 3,243.24 : x
  2. Step 2: Convert to fraction form
    7,626.96/11,430.72 = 3,243.24/x
  3. Step 3: Cross multiply
    7,626.96x = 11,430.72 × 3,243.24
  4. Step 4: Simplify right side
    7,626.96x = 37,072,568.33
  5. Step 5: Solve for x
    x = 37,072,568.33/7,626.96
  6. Step 6: Final answer
    x = 4,860.73

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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.