Home / 6,968.58-9,615.99-4,135.46

Finding the Fourth Proportional to 6,968.58, 9,615.99 and 4,135.46

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Solution

The fourth proportional to 6,968.58, 9,615.99 and 4,135.46 is: 5,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.58 : 9,615.99 = 4,135.46 : x
  2. Step 2: Convert to fraction form
    6,968.58/9,615.99 = 4,135.46/x
  3. Step 3: Cross multiply
    6,968.58x = 9,615.99 × 4,135.46
  4. Step 4: Simplify right side
    6,968.58x = 39,766,514.48
  5. Step 5: Solve for x
    x = 39,766,514.48/6,968.58
  6. Step 6: Final answer
    x = 5,706.55

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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.