Home / 11,843.15-16,343.46-6,465.56

Finding the Fourth Proportional to 11,843.15, 16,343.46 and 6,465.56

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Solution

The fourth proportional to 11,843.15, 16,343.46 and 6,465.56 is: 8,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.15 : 16,343.46 = 6,465.56 : x
  2. Step 2: Convert to fraction form
    11,843.15/16,343.46 = 6,465.56/x
  3. Step 3: Cross multiply
    11,843.15x = 16,343.46 × 6,465.56
  4. Step 4: Simplify right side
    11,843.15x = 105,669,621.24
  5. Step 5: Solve for x
    x = 105,669,621.24/11,843.15
  6. Step 6: Final answer
    x = 8,922.43

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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.