Home / 12,684.07-17,520.74-9,736.33

Finding the Fourth Proportional to 12,684.07, 17,520.74 and 9,736.33

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Solution

The fourth proportional to 12,684.07, 17,520.74 and 9,736.33 is: 13,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.07 : 17,520.74 = 9,736.33 : x
  2. Step 2: Convert to fraction form
    12,684.07/17,520.74 = 9,736.33/x
  3. Step 3: Cross multiply
    12,684.07x = 17,520.74 × 9,736.33
  4. Step 4: Simplify right side
    12,684.07x = 170,587,706.48
  5. Step 5: Solve for x
    x = 170,587,706.48/12,684.07
  6. Step 6: Final answer
    x = 13,448.97

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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.