Home / 10,995.45-16,494.79-3,975.99

Finding the Fourth Proportional to 10,995.45, 16,494.79 and 3,975.99

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Solution

The fourth proportional to 10,995.45, 16,494.79 and 3,975.99 is: 5,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.45 : 16,494.79 = 3,975.99 : x
  2. Step 2: Convert to fraction form
    10,995.45/16,494.79 = 3,975.99/x
  3. Step 3: Cross multiply
    10,995.45x = 16,494.79 × 3,975.99
  4. Step 4: Simplify right side
    10,995.45x = 65,583,120.09
  5. Step 5: Solve for x
    x = 65,583,120.09/10,995.45
  6. Step 6: Final answer
    x = 5,964.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.