Home / 7,975.94-11,006.80-4,439.38

Finding the Fourth Proportional to 7,975.94, 11,006.80 and 4,439.38

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Solution

The fourth proportional to 7,975.94, 11,006.80 and 4,439.38 is: 6,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.94 : 11,006.80 = 4,439.38 : x
  2. Step 2: Convert to fraction form
    7,975.94/11,006.80 = 4,439.38/x
  3. Step 3: Cross multiply
    7,975.94x = 11,006.80 × 4,439.38
  4. Step 4: Simplify right side
    7,975.94x = 48,863,318.07
  5. Step 5: Solve for x
    x = 48,863,318.07/7,975.94
  6. Step 6: Final answer
    x = 6,126.34

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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.