Home / 10,352.25-14,286.21-5,636.55

Finding the Fourth Proportional to 10,352.25, 14,286.21 and 5,636.55

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Solution

The fourth proportional to 10,352.25, 14,286.21 and 5,636.55 is: 7,778.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.25 : 14,286.21 = 5,636.55 : x
  2. Step 2: Convert to fraction form
    10,352.25/14,286.21 = 5,636.55/x
  3. Step 3: Cross multiply
    10,352.25x = 14,286.21 × 5,636.55
  4. Step 4: Simplify right side
    10,352.25x = 80,524,936.98
  5. Step 5: Solve for x
    x = 80,524,936.98/10,352.25
  6. Step 6: Final answer
    x = 7,778.50

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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.