Home / 8,217.48-12,325.07-2,670.90

Finding the Fourth Proportional to 8,217.48, 12,325.07 and 2,670.90

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Solution

The fourth proportional to 8,217.48, 12,325.07 and 2,670.90 is: 4,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.48 : 12,325.07 = 2,670.90 : x
  2. Step 2: Convert to fraction form
    8,217.48/12,325.07 = 2,670.90/x
  3. Step 3: Cross multiply
    8,217.48x = 12,325.07 × 2,670.90
  4. Step 4: Simplify right side
    8,217.48x = 32,919,016.11
  5. Step 5: Solve for x
    x = 32,919,016.11/8,217.48
  6. Step 6: Final answer
    x = 4,005.97

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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.