Home / 12,133.52-18,190.44-4,734.16

Finding the Fourth Proportional to 12,133.52, 18,190.44 and 4,734.16

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Solution

The fourth proportional to 12,133.52, 18,190.44 and 4,734.16 is: 7,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.52 : 18,190.44 = 4,734.16 : x
  2. Step 2: Convert to fraction form
    12,133.52/18,190.44 = 4,734.16/x
  3. Step 3: Cross multiply
    12,133.52x = 18,190.44 × 4,734.16
  4. Step 4: Simplify right side
    12,133.52x = 86,116,453.43
  5. Step 5: Solve for x
    x = 86,116,453.43/12,133.52
  6. Step 6: Final answer
    x = 7,097.40

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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.