Home / 11,323.56-16,987.77-4,745.97

Finding the Fourth Proportional to 11,323.56, 16,987.77 and 4,745.97

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Solution

The fourth proportional to 11,323.56, 16,987.77 and 4,745.97 is: 7,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.56 : 16,987.77 = 4,745.97 : x
  2. Step 2: Convert to fraction form
    11,323.56/16,987.77 = 4,745.97/x
  3. Step 3: Cross multiply
    11,323.56x = 16,987.77 × 4,745.97
  4. Step 4: Simplify right side
    11,323.56x = 80,623,446.79
  5. Step 5: Solve for x
    x = 80,623,446.79/11,323.56
  6. Step 6: Final answer
    x = 7,119.97

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1.5x scale

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.