Home / 11,754.45-16,219.44-6,717.87

Finding the Fourth Proportional to 11,754.45, 16,219.44 and 6,717.87

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Solution

The fourth proportional to 11,754.45, 16,219.44 and 6,717.87 is: 9,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.45 : 16,219.44 = 6,717.87 : x
  2. Step 2: Convert to fraction form
    11,754.45/16,219.44 = 6,717.87/x
  3. Step 3: Cross multiply
    11,754.45x = 16,219.44 × 6,717.87
  4. Step 4: Simplify right side
    11,754.45x = 108,960,089.39
  5. Step 5: Solve for x
    x = 108,960,089.39/11,754.45
  6. Step 6: Final answer
    x = 9,269.69

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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.