Home / 8,635.32-11,914.61-4,857.75

Finding the Fourth Proportional to 8,635.32, 11,914.61 and 4,857.75

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Solution

The fourth proportional to 8,635.32, 11,914.61 and 4,857.75 is: 6,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.32 : 11,914.61 = 4,857.75 : x
  2. Step 2: Convert to fraction form
    8,635.32/11,914.61 = 4,857.75/x
  3. Step 3: Cross multiply
    8,635.32x = 11,914.61 × 4,857.75
  4. Step 4: Simplify right side
    8,635.32x = 57,878,172.44
  5. Step 5: Solve for x
    x = 57,878,172.44/8,635.32
  6. Step 6: Final answer
    x = 6,702.49

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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.