Home / 8,745.93-13,112.42-5,282.37

Finding the Fourth Proportional to 8,745.93, 13,112.42 and 5,282.37

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Solution

The fourth proportional to 8,745.93, 13,112.42 and 5,282.37 is: 7,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.93 : 13,112.42 = 5,282.37 : x
  2. Step 2: Convert to fraction form
    8,745.93/13,112.42 = 5,282.37/x
  3. Step 3: Cross multiply
    8,745.93x = 13,112.42 × 5,282.37
  4. Step 4: Simplify right side
    8,745.93x = 69,264,627.62
  5. Step 5: Solve for x
    x = 69,264,627.62/8,745.93
  6. Step 6: Final answer
    x = 7,919.64

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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.