Home / 7,961.82-10,986.84-4,424.91

Finding the Fourth Proportional to 7,961.82, 10,986.84 and 4,424.91

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Solution

The fourth proportional to 7,961.82, 10,986.84 and 4,424.91 is: 6,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.82 : 10,986.84 = 4,424.91 : x
  2. Step 2: Convert to fraction form
    7,961.82/10,986.84 = 4,424.91/x
  3. Step 3: Cross multiply
    7,961.82x = 10,986.84 × 4,424.91
  4. Step 4: Simplify right side
    7,961.82x = 48,615,778.18
  5. Step 5: Solve for x
    x = 48,615,778.18/7,961.82
  6. Step 6: Final answer
    x = 6,106.11

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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.