Home / 12,268.89-16,930.49-6,962.99

Finding the Fourth Proportional to 12,268.89, 16,930.49 and 6,962.99

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Solution

The fourth proportional to 12,268.89, 16,930.49 and 6,962.99 is: 9,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.89 : 16,930.49 = 6,962.99 : x
  2. Step 2: Convert to fraction form
    12,268.89/16,930.49 = 6,962.99/x
  3. Step 3: Cross multiply
    12,268.89x = 16,930.49 × 6,962.99
  4. Step 4: Simplify right side
    12,268.89x = 117,886,713.10
  5. Step 5: Solve for x
    x = 117,886,713.10/12,268.89
  6. Step 6: Final answer
    x = 9,608.59

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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.