Home / 7,467.69-11,187.19-4,170.79

Finding the Fourth Proportional to 7,467.69, 11,187.19 and 4,170.79

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Solution

The fourth proportional to 7,467.69, 11,187.19 and 4,170.79 is: 6,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.69 : 11,187.19 = 4,170.79 : x
  2. Step 2: Convert to fraction form
    7,467.69/11,187.19 = 4,170.79/x
  3. Step 3: Cross multiply
    7,467.69x = 11,187.19 × 4,170.79
  4. Step 4: Simplify right side
    7,467.69x = 46,659,427.65
  5. Step 5: Solve for x
    x = 46,659,427.65/7,467.69
  6. Step 6: Final answer
    x = 6,248.17

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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.