Home / 12,195.10-18,281.70-4,804.60

Finding the Fourth Proportional to 12,195.10, 18,281.70 and 4,804.60

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Solution

The fourth proportional to 12,195.10, 18,281.70 and 4,804.60 is: 7,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.10 : 18,281.70 = 4,804.60 : x
  2. Step 2: Convert to fraction form
    12,195.10/18,281.70 = 4,804.60/x
  3. Step 3: Cross multiply
    12,195.10x = 18,281.70 × 4,804.60
  4. Step 4: Simplify right side
    12,195.10x = 87,836,255.82
  5. Step 5: Solve for x
    x = 87,836,255.82/12,195.10
  6. Step 6: Final answer
    x = 7,202.59

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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.