Home / 11,104.80-16,657.20-10,197.60

Finding the Fourth Proportional to 11,104.80, 16,657.20 and 10,197.60

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Solution

The fourth proportional to 11,104.80, 16,657.20 and 10,197.60 is: 15,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.80 : 16,657.20 = 10,197.60 : x
  2. Step 2: Convert to fraction form
    11,104.80/16,657.20 = 10,197.60/x
  3. Step 3: Cross multiply
    11,104.80x = 16,657.20 × 10,197.60
  4. Step 4: Simplify right side
    11,104.80x = 169,863,462.72
  5. Step 5: Solve for x
    x = 169,863,462.72/11,104.80
  6. Step 6: Final answer
    x = 15,296.40

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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.