Home / 11,083.20-16,608.60-9,430.80

Finding the Fourth Proportional to 11,083.20, 16,608.60 and 9,430.80

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Solution

The fourth proportional to 11,083.20, 16,608.60 and 9,430.80 is: 14,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.20 : 16,608.60 = 9,430.80 : x
  2. Step 2: Convert to fraction form
    11,083.20/16,608.60 = 9,430.80/x
  3. Step 3: Cross multiply
    11,083.20x = 16,608.60 × 9,430.80
  4. Step 4: Simplify right side
    11,083.20x = 156,632,384.88
  5. Step 5: Solve for x
    x = 156,632,384.88/11,083.20
  6. Step 6: Final answer
    x = 14,132.42

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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.