Home / 7,399.78-11,094.20-3,499.62

Finding the Fourth Proportional to 7,399.78, 11,094.20 and 3,499.62

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Solution

The fourth proportional to 7,399.78, 11,094.20 and 3,499.62 is: 5,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.78 : 11,094.20 = 3,499.62 : x
  2. Step 2: Convert to fraction form
    7,399.78/11,094.20 = 3,499.62/x
  3. Step 3: Cross multiply
    7,399.78x = 11,094.20 × 3,499.62
  4. Step 4: Simplify right side
    7,399.78x = 38,825,484.20
  5. Step 5: Solve for x
    x = 38,825,484.20/7,399.78
  6. Step 6: Final answer
    x = 5,246.84

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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.