Home / 8,736.20-12,056.85-4,960.38

Finding the Fourth Proportional to 8,736.20, 12,056.85 and 4,960.38

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Solution

The fourth proportional to 8,736.20, 12,056.85 and 4,960.38 is: 6,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.20 : 12,056.85 = 4,960.38 : x
  2. Step 2: Convert to fraction form
    8,736.20/12,056.85 = 4,960.38/x
  3. Step 3: Cross multiply
    8,736.20x = 12,056.85 × 4,960.38
  4. Step 4: Simplify right side
    8,736.20x = 59,806,557.60
  5. Step 5: Solve for x
    x = 59,806,557.60/8,736.20
  6. Step 6: Final answer
    x = 6,845.84

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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.