Home / 12,037.20-18,048.60-6,205.20

Finding the Fourth Proportional to 12,037.20, 18,048.60 and 6,205.20

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Solution

The fourth proportional to 12,037.20, 18,048.60 and 6,205.20 is: 9,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.20 : 18,048.60 = 6,205.20 : x
  2. Step 2: Convert to fraction form
    12,037.20/18,048.60 = 6,205.20/x
  3. Step 3: Cross multiply
    12,037.20x = 18,048.60 × 6,205.20
  4. Step 4: Simplify right side
    12,037.20x = 111,995,172.72
  5. Step 5: Solve for x
    x = 111,995,172.72/12,037.20
  6. Step 6: Final answer
    x = 9,304.09

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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.