Home / 9,836.60-13,591.80-7,863.44

Finding the Fourth Proportional to 9,836.60, 13,591.80 and 7,863.44

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Solution

The fourth proportional to 9,836.60, 13,591.80 and 7,863.44 is: 10,865.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,836.60 : 13,591.80 = 7,863.44 : x
  2. Step 2: Convert to fraction form
    9,836.60/13,591.80 = 7,863.44/x
  3. Step 3: Cross multiply
    9,836.60x = 13,591.80 × 7,863.44
  4. Step 4: Simplify right side
    9,836.60x = 106,878,303.79
  5. Step 5: Solve for x
    x = 106,878,303.79/9,836.60
  6. Step 6: Final answer
    x = 10,865.37

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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.