Home / 11,979.45-17,963.10-7,050.60

Finding the Fourth Proportional to 11,979.45, 17,963.10 and 7,050.60

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Solution

The fourth proportional to 11,979.45, 17,963.10 and 7,050.60 is: 10,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.45 : 17,963.10 = 7,050.60 : x
  2. Step 2: Convert to fraction form
    11,979.45/17,963.10 = 7,050.60/x
  3. Step 3: Cross multiply
    11,979.45x = 17,963.10 × 7,050.60
  4. Step 4: Simplify right side
    11,979.45x = 126,650,632.86
  5. Step 5: Solve for x
    x = 126,650,632.86/11,979.45
  6. Step 6: Final answer
    x = 10,572.32

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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.