Home / 6,372.90-9,559.71-2,211.12

Finding the Fourth Proportional to 6,372.90, 9,559.71 and 2,211.12

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Solution

The fourth proportional to 6,372.90, 9,559.71 and 2,211.12 is: 3,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.90 : 9,559.71 = 2,211.12 : x
  2. Step 2: Convert to fraction form
    6,372.90/9,559.71 = 2,211.12/x
  3. Step 3: Cross multiply
    6,372.90x = 9,559.71 × 2,211.12
  4. Step 4: Simplify right side
    6,372.90x = 21,137,665.98
  5. Step 5: Solve for x
    x = 21,137,665.98/6,372.90
  6. Step 6: Final answer
    x = 3,316.80

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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.