Home / 6,915.12-9,542.94-3,771.33

Finding the Fourth Proportional to 6,915.12, 9,542.94 and 3,771.33

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Solution

The fourth proportional to 6,915.12, 9,542.94 and 3,771.33 is: 5,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.12 : 9,542.94 = 3,771.33 : x
  2. Step 2: Convert to fraction form
    6,915.12/9,542.94 = 3,771.33/x
  3. Step 3: Cross multiply
    6,915.12x = 9,542.94 × 3,771.33
  4. Step 4: Simplify right side
    6,915.12x = 35,989,575.91
  5. Step 5: Solve for x
    x = 35,989,575.91/6,915.12
  6. Step 6: Final answer
    x = 5,204.48

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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.