Home / 8,836.75-12,195-4,858.15

Finding the Fourth Proportional to 8,836.75, 12,195 and 4,858.15

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Solution

The fourth proportional to 8,836.75, 12,195 and 4,858.15 is: 6,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.75 : 12,195 = 4,858.15 : x
  2. Step 2: Convert to fraction form
    8,836.75/12,195 = 4,858.15/x
  3. Step 3: Cross multiply
    8,836.75x = 12,195 × 4,858.15
  4. Step 4: Simplify right side
    8,836.75x = 59,245,139.25
  5. Step 5: Solve for x
    x = 59,245,139.25/8,836.75
  6. Step 6: Final answer
    x = 6,704.40

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Double scale
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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.