Home / 11,412.83-17,121.14-3,623.51

Finding the Fourth Proportional to 11,412.83, 17,121.14 and 3,623.51

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Solution

The fourth proportional to 11,412.83, 17,121.14 and 3,623.51 is: 5,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.83 : 17,121.14 = 3,623.51 : x
  2. Step 2: Convert to fraction form
    11,412.83/17,121.14 = 3,623.51/x
  3. Step 3: Cross multiply
    11,412.83x = 17,121.14 × 3,623.51
  4. Step 4: Simplify right side
    11,412.83x = 62,038,622.00
  5. Step 5: Solve for x
    x = 62,038,622.00/11,412.83
  6. Step 6: Final answer
    x = 5,435.87

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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.