Home / 10,286.94-14,195.98-5,571.24

Finding the Fourth Proportional to 10,286.94, 14,195.98 and 5,571.24

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Solution

The fourth proportional to 10,286.94, 14,195.98 and 5,571.24 is: 7,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.94 : 14,195.98 = 5,571.24 : x
  2. Step 2: Convert to fraction form
    10,286.94/14,195.98 = 5,571.24/x
  3. Step 3: Cross multiply
    10,286.94x = 14,195.98 × 5,571.24
  4. Step 4: Simplify right side
    10,286.94x = 79,089,211.62
  5. Step 5: Solve for x
    x = 79,089,211.62/10,286.94
  6. Step 6: Final answer
    x = 7,688.31

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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.