Home / 7,919.01-11,867.13-3,471.30

Finding the Fourth Proportional to 7,919.01, 11,867.13 and 3,471.30

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Solution

The fourth proportional to 7,919.01, 11,867.13 and 3,471.30 is: 5,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.01 : 11,867.13 = 3,471.30 : x
  2. Step 2: Convert to fraction form
    7,919.01/11,867.13 = 3,471.30/x
  3. Step 3: Cross multiply
    7,919.01x = 11,867.13 × 3,471.30
  4. Step 4: Simplify right side
    7,919.01x = 41,194,368.37
  5. Step 5: Solve for x
    x = 41,194,368.37/7,919.01
  6. Step 6: Final answer
    x = 5,201.96

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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.