Home / 12,197.70-18,297.63-5,080.37

Finding the Fourth Proportional to 12,197.70, 18,297.63 and 5,080.37

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Solution

The fourth proportional to 12,197.70, 18,297.63 and 5,080.37 is: 7,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.70 : 18,297.63 = 5,080.37 : x
  2. Step 2: Convert to fraction form
    12,197.70/18,297.63 = 5,080.37/x
  3. Step 3: Cross multiply
    12,197.70x = 18,297.63 × 5,080.37
  4. Step 4: Simplify right side
    12,197.70x = 92,958,639.03
  5. Step 5: Solve for x
    x = 92,958,639.03/12,197.70
  6. Step 6: Final answer
    x = 7,621.00

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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.