Home / 7,440.14-11,162.03-3,435.65

Finding the Fourth Proportional to 7,440.14, 11,162.03 and 3,435.65

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Solution

The fourth proportional to 7,440.14, 11,162.03 and 3,435.65 is: 5,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.14 : 11,162.03 = 3,435.65 : x
  2. Step 2: Convert to fraction form
    7,440.14/11,162.03 = 3,435.65/x
  3. Step 3: Cross multiply
    7,440.14x = 11,162.03 × 3,435.65
  4. Step 4: Simplify right side
    7,440.14x = 38,348,828.37
  5. Step 5: Solve for x
    x = 38,348,828.37/7,440.14
  6. Step 6: Final answer
    x = 5,154.32

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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.