Home / 8,418.52-11,617.61-4,883.83

Finding the Fourth Proportional to 8,418.52, 11,617.61 and 4,883.83

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Solution

The fourth proportional to 8,418.52, 11,617.61 and 4,883.83 is: 6,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.52 : 11,617.61 = 4,883.83 : x
  2. Step 2: Convert to fraction form
    8,418.52/11,617.61 = 4,883.83/x
  3. Step 3: Cross multiply
    8,418.52x = 11,617.61 × 4,883.83
  4. Step 4: Simplify right side
    8,418.52x = 56,738,432.25
  5. Step 5: Solve for x
    x = 56,738,432.25/8,418.52
  6. Step 6: Final answer
    x = 6,739.72

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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.