Home / 12,360.97-18,533.23-7,976.03

Finding the Fourth Proportional to 12,360.97, 18,533.23 and 7,976.03

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Solution

The fourth proportional to 12,360.97, 18,533.23 and 7,976.03 is: 11,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.97 : 18,533.23 = 7,976.03 : x
  2. Step 2: Convert to fraction form
    12,360.97/18,533.23 = 7,976.03/x
  3. Step 3: Cross multiply
    12,360.97x = 18,533.23 × 7,976.03
  4. Step 4: Simplify right side
    12,360.97x = 147,821,598.48
  5. Step 5: Solve for x
    x = 147,821,598.48/12,360.97
  6. Step 6: Final answer
    x = 11,958.74

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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.