Home / 12,217.73-16,858.37-7,967.66

Finding the Fourth Proportional to 12,217.73, 16,858.37 and 7,967.66

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Solution

The fourth proportional to 12,217.73, 16,858.37 and 7,967.66 is: 10,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.73 : 16,858.37 = 7,967.66 : x
  2. Step 2: Convert to fraction form
    12,217.73/16,858.37 = 7,967.66/x
  3. Step 3: Cross multiply
    12,217.73x = 16,858.37 × 7,967.66
  4. Step 4: Simplify right side
    12,217.73x = 134,321,636.18
  5. Step 5: Solve for x
    x = 134,321,636.18/12,217.73
  6. Step 6: Final answer
    x = 10,994.00

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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.