Home / 6,212.38-8,570.98-4,219.46

Finding the Fourth Proportional to 6,212.38, 8,570.98 and 4,219.46

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Solution

The fourth proportional to 6,212.38, 8,570.98 and 4,219.46 is: 5,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.38 : 8,570.98 = 4,219.46 : x
  2. Step 2: Convert to fraction form
    6,212.38/8,570.98 = 4,219.46/x
  3. Step 3: Cross multiply
    6,212.38x = 8,570.98 × 4,219.46
  4. Step 4: Simplify right side
    6,212.38x = 36,164,907.27
  5. Step 5: Solve for x
    x = 36,164,907.27/6,212.38
  6. Step 6: Final answer
    x = 5,821.43

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.