Home / 11,976.11-16,527.21-6,940.70

Finding the Fourth Proportional to 11,976.11, 16,527.21 and 6,940.70

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Solution

The fourth proportional to 11,976.11, 16,527.21 and 6,940.70 is: 9,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.11 : 16,527.21 = 6,940.70 : x
  2. Step 2: Convert to fraction form
    11,976.11/16,527.21 = 6,940.70/x
  3. Step 3: Cross multiply
    11,976.11x = 16,527.21 × 6,940.70
  4. Step 4: Simplify right side
    11,976.11x = 114,710,323.81
  5. Step 5: Solve for x
    x = 114,710,323.81/11,976.11
  6. Step 6: Final answer
    x = 9,578.27

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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.