Home / 7,448.24-11,163.80-4,162.88

Finding the Fourth Proportional to 7,448.24, 11,163.80 and 4,162.88

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Solution

The fourth proportional to 7,448.24, 11,163.80 and 4,162.88 is: 6,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.24 : 11,163.80 = 4,162.88 : x
  2. Step 2: Convert to fraction form
    7,448.24/11,163.80 = 4,162.88/x
  3. Step 3: Cross multiply
    7,448.24x = 11,163.80 × 4,162.88
  4. Step 4: Simplify right side
    7,448.24x = 46,473,559.74
  5. Step 5: Solve for x
    x = 46,473,559.74/7,448.24
  6. Step 6: Final answer
    x = 6,239.54

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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.