Home / 8,850.78-12,214.35-4,872.06

Finding the Fourth Proportional to 8,850.78, 12,214.35 and 4,872.06

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Solution

The fourth proportional to 8,850.78, 12,214.35 and 4,872.06 is: 6,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.78 : 12,214.35 = 4,872.06 : x
  2. Step 2: Convert to fraction form
    8,850.78/12,214.35 = 4,872.06/x
  3. Step 3: Cross multiply
    8,850.78x = 12,214.35 × 4,872.06
  4. Step 4: Simplify right side
    8,850.78x = 59,509,046.06
  5. Step 5: Solve for x
    x = 59,509,046.06/8,850.78
  6. Step 6: Final answer
    x = 6,723.59

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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.