Home / 8,072.60-12,119.22-6,224.99

Finding the Fourth Proportional to 8,072.60, 12,119.22 and 6,224.99

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Solution

The fourth proportional to 8,072.60, 12,119.22 and 6,224.99 is: 9,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.60 : 12,119.22 = 6,224.99 : x
  2. Step 2: Convert to fraction form
    8,072.60/12,119.22 = 6,224.99/x
  3. Step 3: Cross multiply
    8,072.60x = 12,119.22 × 6,224.99
  4. Step 4: Simplify right side
    8,072.60x = 75,441,962.71
  5. Step 5: Solve for x
    x = 75,441,962.71/8,072.60
  6. Step 6: Final answer
    x = 9,345.44

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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.