Home / 8,502.44-11,730.83-6,728.54

Finding the Fourth Proportional to 8,502.44, 11,730.83 and 6,728.54

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Solution

The fourth proportional to 8,502.44, 11,730.83 and 6,728.54 is: 9,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.44 : 11,730.83 = 6,728.54 : x
  2. Step 2: Convert to fraction form
    8,502.44/11,730.83 = 6,728.54/x
  3. Step 3: Cross multiply
    8,502.44x = 11,730.83 × 6,728.54
  4. Step 4: Simplify right side
    8,502.44x = 78,931,266.59
  5. Step 5: Solve for x
    x = 78,931,266.59/8,502.44
  6. Step 6: Final answer
    x = 9,283.37

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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.