Home / 11,943.36-17,913.72-3,179.01

Finding the Fourth Proportional to 11,943.36, 17,913.72 and 3,179.01

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Solution

The fourth proportional to 11,943.36, 17,913.72 and 3,179.01 is: 4,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.36 : 17,913.72 = 3,179.01 : x
  2. Step 2: Convert to fraction form
    11,943.36/17,913.72 = 3,179.01/x
  3. Step 3: Cross multiply
    11,943.36x = 17,913.72 × 3,179.01
  4. Step 4: Simplify right side
    11,943.36x = 56,947,895.02
  5. Step 5: Solve for x
    x = 56,947,895.02/11,943.36
  6. Step 6: Final answer
    x = 4,768.16

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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.