Home / 12,708.62-17,537.66-7,331.03

Finding the Fourth Proportional to 12,708.62, 17,537.66 and 7,331.03

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Solution

The fourth proportional to 12,708.62, 17,537.66 and 7,331.03 is: 10,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.62 : 17,537.66 = 7,331.03 : x
  2. Step 2: Convert to fraction form
    12,708.62/17,537.66 = 7,331.03/x
  3. Step 3: Cross multiply
    12,708.62x = 17,537.66 × 7,331.03
  4. Step 4: Simplify right side
    12,708.62x = 128,568,987.25
  5. Step 5: Solve for x
    x = 128,568,987.25/12,708.62
  6. Step 6: Final answer
    x = 10,116.68

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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.