Home / 8,380.32-11,566.92-4,843.02

Finding the Fourth Proportional to 8,380.32, 11,566.92 and 4,843.02

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Solution

The fourth proportional to 8,380.32, 11,566.92 and 4,843.02 is: 6,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.32 : 11,566.92 = 4,843.02 : x
  2. Step 2: Convert to fraction form
    8,380.32/11,566.92 = 4,843.02/x
  3. Step 3: Cross multiply
    8,380.32x = 11,566.92 × 4,843.02
  4. Step 4: Simplify right side
    8,380.32x = 56,018,824.90
  5. Step 5: Solve for x
    x = 56,018,824.90/8,380.32
  6. Step 6: Final answer
    x = 6,684.57

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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.