Home / 11,837.35-16,336.34-6,803.20

Finding the Fourth Proportional to 11,837.35, 16,336.34 and 6,803.20

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Solution

The fourth proportional to 11,837.35, 16,336.34 and 6,803.20 is: 9,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.35 : 16,336.34 = 6,803.20 : x
  2. Step 2: Convert to fraction form
    11,837.35/16,336.34 = 6,803.20/x
  3. Step 3: Cross multiply
    11,837.35x = 16,336.34 × 6,803.20
  4. Step 4: Simplify right side
    11,837.35x = 111,139,388.29
  5. Step 5: Solve for x
    x = 111,139,388.29/11,837.35
  6. Step 6: Final answer
    x = 9,388.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.