Home / 8,070.26-12,099.38-3,391.64

Finding the Fourth Proportional to 8,070.26, 12,099.38 and 3,391.64

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Solution

The fourth proportional to 8,070.26, 12,099.38 and 3,391.64 is: 5,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.26 : 12,099.38 = 3,391.64 : x
  2. Step 2: Convert to fraction form
    8,070.26/12,099.38 = 3,391.64/x
  3. Step 3: Cross multiply
    8,070.26x = 12,099.38 × 3,391.64
  4. Step 4: Simplify right side
    8,070.26x = 41,036,741.18
  5. Step 5: Solve for x
    x = 41,036,741.18/8,070.26
  6. Step 6: Final answer
    x = 5,084.93

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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.