Home / 11,963.04-17,947.44-4,172.64

Finding the Fourth Proportional to 11,963.04, 17,947.44 and 4,172.64

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Solution

The fourth proportional to 11,963.04, 17,947.44 and 4,172.64 is: 6,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.04 : 17,947.44 = 4,172.64 : x
  2. Step 2: Convert to fraction form
    11,963.04/17,947.44 = 4,172.64/x
  3. Step 3: Cross multiply
    11,963.04x = 17,947.44 × 4,172.64
  4. Step 4: Simplify right side
    11,963.04x = 74,888,206.04
  5. Step 5: Solve for x
    x = 74,888,206.04/11,963.04
  6. Step 6: Final answer
    x = 6,259.96

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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.