Home / 11,847.25-17,772.75-4,452.28

Finding the Fourth Proportional to 11,847.25, 17,772.75 and 4,452.28

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Solution

The fourth proportional to 11,847.25, 17,772.75 and 4,452.28 is: 6,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.25 : 17,772.75 = 4,452.28 : x
  2. Step 2: Convert to fraction form
    11,847.25/17,772.75 = 4,452.28/x
  3. Step 3: Cross multiply
    11,847.25x = 17,772.75 × 4,452.28
  4. Step 4: Simplify right side
    11,847.25x = 79,129,259.37
  5. Step 5: Solve for x
    x = 79,129,259.37/11,847.25
  6. Step 6: Final answer
    x = 6,679.12

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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.