Home / 8,039.07-12,077.09-5,672.60

Finding the Fourth Proportional to 8,039.07, 12,077.09 and 5,672.60

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Solution

The fourth proportional to 8,039.07, 12,077.09 and 5,672.60 is: 8,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.07 : 12,077.09 = 5,672.60 : x
  2. Step 2: Convert to fraction form
    8,039.07/12,077.09 = 5,672.60/x
  3. Step 3: Cross multiply
    8,039.07x = 12,077.09 × 5,672.60
  4. Step 4: Simplify right side
    8,039.07x = 68,508,500.73
  5. Step 5: Solve for x
    x = 68,508,500.73/8,039.07
  6. Step 6: Final answer
    x = 8,521.94

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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.