Home / 8,160.48-12,233.76-3,228.96

Finding the Fourth Proportional to 8,160.48, 12,233.76 and 3,228.96

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Solution

The fourth proportional to 8,160.48, 12,233.76 and 3,228.96 is: 4,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.48 : 12,233.76 = 3,228.96 : x
  2. Step 2: Convert to fraction form
    8,160.48/12,233.76 = 3,228.96/x
  3. Step 3: Cross multiply
    8,160.48x = 12,233.76 × 3,228.96
  4. Step 4: Simplify right side
    8,160.48x = 39,502,321.69
  5. Step 5: Solve for x
    x = 39,502,321.69/8,160.48
  6. Step 6: Final answer
    x = 4,840.69

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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.