Home / 7,449.54-11,174.55-3,554.34

Finding the Fourth Proportional to 7,449.54, 11,174.55 and 3,554.34

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Solution

The fourth proportional to 7,449.54, 11,174.55 and 3,554.34 is: 5,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.54 : 11,174.55 = 3,554.34 : x
  2. Step 2: Convert to fraction form
    7,449.54/11,174.55 = 3,554.34/x
  3. Step 3: Cross multiply
    7,449.54x = 11,174.55 × 3,554.34
  4. Step 4: Simplify right side
    7,449.54x = 39,718,150.05
  5. Step 5: Solve for x
    x = 39,718,150.05/7,449.54
  6. Step 6: Final answer
    x = 5,331.62

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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.