Home / 8,840.10-12,198.75-4,861.38

Finding the Fourth Proportional to 8,840.10, 12,198.75 and 4,861.38

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Solution

The fourth proportional to 8,840.10, 12,198.75 and 4,861.38 is: 6,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.10 : 12,198.75 = 4,861.38 : x
  2. Step 2: Convert to fraction form
    8,840.10/12,198.75 = 4,861.38/x
  3. Step 3: Cross multiply
    8,840.10x = 12,198.75 × 4,861.38
  4. Step 4: Simplify right side
    8,840.10x = 59,302,759.28
  5. Step 5: Solve for x
    x = 59,302,759.28/8,840.10
  6. Step 6: Final answer
    x = 6,708.38

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Half scale
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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.