Home / 12,339.36-17,029.31-7,625.16

Finding the Fourth Proportional to 12,339.36, 17,029.31 and 7,625.16

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Solution

The fourth proportional to 12,339.36, 17,029.31 and 7,625.16 is: 10,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.36 : 17,029.31 = 7,625.16 : x
  2. Step 2: Convert to fraction form
    12,339.36/17,029.31 = 7,625.16/x
  3. Step 3: Cross multiply
    12,339.36x = 17,029.31 × 7,625.16
  4. Step 4: Simplify right side
    12,339.36x = 129,851,175.31
  5. Step 5: Solve for x
    x = 129,851,175.31/12,339.36
  6. Step 6: Final answer
    x = 10,523.33

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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.