Home / 11,621.01-17,429.69-4,224.40

Finding the Fourth Proportional to 11,621.01, 17,429.69 and 4,224.40

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Solution

The fourth proportional to 11,621.01, 17,429.69 and 4,224.40 is: 6,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.01 : 17,429.69 = 4,224.40 : x
  2. Step 2: Convert to fraction form
    11,621.01/17,429.69 = 4,224.40/x
  3. Step 3: Cross multiply
    11,621.01x = 17,429.69 × 4,224.40
  4. Step 4: Simplify right side
    11,621.01x = 73,629,949.42
  5. Step 5: Solve for x
    x = 73,629,949.42/11,621.01
  6. Step 6: Final answer
    x = 6,335.93

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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.