Home / 8,033.33-12,048.78-2,190.40

Finding the Fourth Proportional to 8,033.33, 12,048.78 and 2,190.40

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Solution

The fourth proportional to 8,033.33, 12,048.78 and 2,190.40 is: 3,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,033.33 : 12,048.78 = 2,190.40 : x
  2. Step 2: Convert to fraction form
    8,033.33/12,048.78 = 2,190.40/x
  3. Step 3: Cross multiply
    8,033.33x = 12,048.78 × 2,190.40
  4. Step 4: Simplify right side
    8,033.33x = 26,391,647.71
  5. Step 5: Solve for x
    x = 26,391,647.71/8,033.33
  6. Step 6: Final answer
    x = 3,285.27

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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.