Home / 12,202.00-16,852.60-8,216.19

Finding the Fourth Proportional to 12,202.00, 16,852.60 and 8,216.19

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Solution

The fourth proportional to 12,202.00, 16,852.60 and 8,216.19 is: 11,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.00 : 16,852.60 = 8,216.19 : x
  2. Step 2: Convert to fraction form
    12,202.00/16,852.60 = 8,216.19/x
  3. Step 3: Cross multiply
    12,202.00x = 16,852.60 × 8,216.19
  4. Step 4: Simplify right side
    12,202.00x = 138,464,173.86
  5. Step 5: Solve for x
    x = 138,464,173.86/12,202.00
  6. Step 6: Final answer
    x = 11,347.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.