Home / 7,399.69-11,105.01-3,504.11

Finding the Fourth Proportional to 7,399.69, 11,105.01 and 3,504.11

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Solution

The fourth proportional to 7,399.69, 11,105.01 and 3,504.11 is: 5,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.69 : 11,105.01 = 3,504.11 : x
  2. Step 2: Convert to fraction form
    7,399.69/11,105.01 = 3,504.11/x
  3. Step 3: Cross multiply
    7,399.69x = 11,105.01 × 3,504.11
  4. Step 4: Simplify right side
    7,399.69x = 38,913,121.07
  5. Step 5: Solve for x
    x = 38,913,121.07/7,399.69
  6. Step 6: Final answer
    x = 5,258.75

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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.