Home / 11,837.91-16,336.85-6,803.76

Finding the Fourth Proportional to 11,837.91, 16,336.85 and 6,803.76

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Solution

The fourth proportional to 11,837.91, 16,336.85 and 6,803.76 is: 9,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.91 : 16,336.85 = 6,803.76 : x
  2. Step 2: Convert to fraction form
    11,837.91/16,336.85 = 6,803.76/x
  3. Step 3: Cross multiply
    11,837.91x = 16,336.85 × 6,803.76
  4. Step 4: Simplify right side
    11,837.91x = 111,151,972.54
  5. Step 5: Solve for x
    x = 111,151,972.54/11,837.91
  6. Step 6: Final answer
    x = 9,389.49

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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.