Home / 11,196.20-16,818.60-10,783.10

Finding the Fourth Proportional to 11,196.20, 16,818.60 and 10,783.10

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Solution

The fourth proportional to 11,196.20, 16,818.60 and 10,783.10 is: 16,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.20 : 16,818.60 = 10,783.10 : x
  2. Step 2: Convert to fraction form
    11,196.20/16,818.60 = 10,783.10/x
  3. Step 3: Cross multiply
    11,196.20x = 16,818.60 × 10,783.10
  4. Step 4: Simplify right side
    11,196.20x = 181,356,645.66
  5. Step 5: Solve for x
    x = 181,356,645.66/11,196.20
  6. Step 6: Final answer
    x = 16,198.05

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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.