Home / 10,022.20-15,033.30-4,828.60

Finding the Fourth Proportional to 10,022.20, 15,033.30 and 4,828.60

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Solution

The fourth proportional to 10,022.20, 15,033.30 and 4,828.60 is: 7,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.20 : 15,033.30 = 4,828.60 : x
  2. Step 2: Convert to fraction form
    10,022.20/15,033.30 = 4,828.60/x
  3. Step 3: Cross multiply
    10,022.20x = 15,033.30 × 4,828.60
  4. Step 4: Simplify right side
    10,022.20x = 72,589,792.38
  5. Step 5: Solve for x
    x = 72,589,792.38/10,022.20
  6. Step 6: Final answer
    x = 7,242.90

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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.