Home / 6,301.12-8,695.68-3,506.80

Finding the Fourth Proportional to 6,301.12, 8,695.68 and 3,506.80

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Solution

The fourth proportional to 6,301.12, 8,695.68 and 3,506.80 is: 4,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,301.12 : 8,695.68 = 3,506.80 : x
  2. Step 2: Convert to fraction form
    6,301.12/8,695.68 = 3,506.80/x
  3. Step 3: Cross multiply
    6,301.12x = 8,695.68 × 3,506.80
  4. Step 4: Simplify right side
    6,301.12x = 30,494,010.62
  5. Step 5: Solve for x
    x = 30,494,010.62/6,301.12
  6. Step 6: Final answer
    x = 4,839.46

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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.