Home / 8,599.08-12,906.70-5,318.58

Finding the Fourth Proportional to 8,599.08, 12,906.70 and 5,318.58

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Solution

The fourth proportional to 8,599.08, 12,906.70 and 5,318.58 is: 7,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.08 : 12,906.70 = 5,318.58 : x
  2. Step 2: Convert to fraction form
    8,599.08/12,906.70 = 5,318.58/x
  3. Step 3: Cross multiply
    8,599.08x = 12,906.70 × 5,318.58
  4. Step 4: Simplify right side
    8,599.08x = 68,645,316.49
  5. Step 5: Solve for x
    x = 68,645,316.49/8,599.08
  6. Step 6: Final answer
    x = 7,982.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.