Home / 8,836.65-12,181.74-6,175.80

Finding the Fourth Proportional to 8,836.65, 12,181.74 and 6,175.80

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Solution

The fourth proportional to 8,836.65, 12,181.74 and 6,175.80 is: 8,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.65 : 12,181.74 = 6,175.80 : x
  2. Step 2: Convert to fraction form
    8,836.65/12,181.74 = 6,175.80/x
  3. Step 3: Cross multiply
    8,836.65x = 12,181.74 × 6,175.80
  4. Step 4: Simplify right side
    8,836.65x = 75,231,989.89
  5. Step 5: Solve for x
    x = 75,231,989.89/8,836.65
  6. Step 6: Final answer
    x = 8,513.63

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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.