Home / 8,995.21-13,493.79-3,453.25

Finding the Fourth Proportional to 8,995.21, 13,493.79 and 3,453.25

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Solution

The fourth proportional to 8,995.21, 13,493.79 and 3,453.25 is: 5,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.21 : 13,493.79 = 3,453.25 : x
  2. Step 2: Convert to fraction form
    8,995.21/13,493.79 = 3,453.25/x
  3. Step 3: Cross multiply
    8,995.21x = 13,493.79 × 3,453.25
  4. Step 4: Simplify right side
    8,995.21x = 46,597,430.32
  5. Step 5: Solve for x
    x = 46,597,430.32/8,995.21
  6. Step 6: Final answer
    x = 5,180.25

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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.