Home / 10,181.92-15,234.46-6,878.64

Finding the Fourth Proportional to 10,181.92, 15,234.46 and 6,878.64

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Solution

The fourth proportional to 10,181.92, 15,234.46 and 6,878.64 is: 10,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.92 : 15,234.46 = 6,878.64 : x
  2. Step 2: Convert to fraction form
    10,181.92/15,234.46 = 6,878.64/x
  3. Step 3: Cross multiply
    10,181.92x = 15,234.46 × 6,878.64
  4. Step 4: Simplify right side
    10,181.92x = 104,792,365.93
  5. Step 5: Solve for x
    x = 104,792,365.93/10,181.92
  6. Step 6: Final answer
    x = 10,292.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.