Home / 7,400.66-11,106.46-3,505.07

Finding the Fourth Proportional to 7,400.66, 11,106.46 and 3,505.07

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Solution

The fourth proportional to 7,400.66, 11,106.46 and 3,505.07 is: 5,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.66 : 11,106.46 = 3,505.07 : x
  2. Step 2: Convert to fraction form
    7,400.66/11,106.46 = 3,505.07/x
  3. Step 3: Cross multiply
    7,400.66x = 11,106.46 × 3,505.07
  4. Step 4: Simplify right side
    7,400.66x = 38,928,974.55
  5. Step 5: Solve for x
    x = 38,928,974.55/7,400.66
  6. Step 6: Final answer
    x = 5,260.21

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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.