Home / 12,268.13-16,930.04-6,679.13

Finding the Fourth Proportional to 12,268.13, 16,930.04 and 6,679.13

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Solution

The fourth proportional to 12,268.13, 16,930.04 and 6,679.13 is: 9,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.13 : 16,930.04 = 6,679.13 : x
  2. Step 2: Convert to fraction form
    12,268.13/16,930.04 = 6,679.13/x
  3. Step 3: Cross multiply
    12,268.13x = 16,930.04 × 6,679.13
  4. Step 4: Simplify right side
    12,268.13x = 113,077,938.07
  5. Step 5: Solve for x
    x = 113,077,938.07/12,268.13
  6. Step 6: Final answer
    x = 9,217.21

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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.