Home / 7,400.54-11,100.99-3,505.34

Finding the Fourth Proportional to 7,400.54, 11,100.99 and 3,505.34

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Solution

The fourth proportional to 7,400.54, 11,100.99 and 3,505.34 is: 5,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.54 : 11,100.99 = 3,505.34 : x
  2. Step 2: Convert to fraction form
    7,400.54/11,100.99 = 3,505.34/x
  3. Step 3: Cross multiply
    7,400.54x = 11,100.99 × 3,505.34
  4. Step 4: Simplify right side
    7,400.54x = 38,912,744.29
  5. Step 5: Solve for x
    x = 38,912,744.29/7,400.54
  6. Step 6: Final answer
    x = 5,258.10

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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.