Home / 6,613.84-9,125.58-3,961.72

Finding the Fourth Proportional to 6,613.84, 9,125.58 and 3,961.72

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Solution

The fourth proportional to 6,613.84, 9,125.58 and 3,961.72 is: 5,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.84 : 9,125.58 = 3,961.72 : x
  2. Step 2: Convert to fraction form
    6,613.84/9,125.58 = 3,961.72/x
  3. Step 3: Cross multiply
    6,613.84x = 9,125.58 × 3,961.72
  4. Step 4: Simplify right side
    6,613.84x = 36,152,992.80
  5. Step 5: Solve for x
    x = 36,152,992.80/6,613.84
  6. Step 6: Final answer
    x = 5,466.26

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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.