Home / 12,629.08-17,428.26-6,964.02

Finding the Fourth Proportional to 12,629.08, 17,428.26 and 6,964.02

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Solution

The fourth proportional to 12,629.08, 17,428.26 and 6,964.02 is: 9,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.08 : 17,428.26 = 6,964.02 : x
  2. Step 2: Convert to fraction form
    12,629.08/17,428.26 = 6,964.02/x
  3. Step 3: Cross multiply
    12,629.08x = 17,428.26 × 6,964.02
  4. Step 4: Simplify right side
    12,629.08x = 121,370,751.21
  5. Step 5: Solve for x
    x = 121,370,751.21/12,629.08
  6. Step 6: Final answer
    x = 9,610.42

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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.