Home / 11,182.80-16,793.40-10,837.20

Finding the Fourth Proportional to 11,182.80, 16,793.40 and 10,837.20

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Solution

The fourth proportional to 11,182.80, 16,793.40 and 10,837.20 is: 16,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.80 : 16,793.40 = 10,837.20 : x
  2. Step 2: Convert to fraction form
    11,182.80/16,793.40 = 10,837.20/x
  3. Step 3: Cross multiply
    11,182.80x = 16,793.40 × 10,837.20
  4. Step 4: Simplify right side
    11,182.80x = 181,993,434.48
  5. Step 5: Solve for x
    x = 181,993,434.48/11,182.80
  6. Step 6: Final answer
    x = 16,274.41

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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.