Home / 7,356.40-11,019.83-3,402.12

Finding the Fourth Proportional to 7,356.40, 11,019.83 and 3,402.12

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Solution

The fourth proportional to 7,356.40, 11,019.83 and 3,402.12 is: 5,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.40 : 11,019.83 = 3,402.12 : x
  2. Step 2: Convert to fraction form
    7,356.40/11,019.83 = 3,402.12/x
  3. Step 3: Cross multiply
    7,356.40x = 11,019.83 × 3,402.12
  4. Step 4: Simplify right side
    7,356.40x = 37,490,732.08
  5. Step 5: Solve for x
    x = 37,490,732.08/7,356.40
  6. Step 6: Final answer
    x = 5,096.34

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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.