Home / 12,467.88-17,205.63-6,802.59

Finding the Fourth Proportional to 12,467.88, 17,205.63 and 6,802.59

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Solution

The fourth proportional to 12,467.88, 17,205.63 and 6,802.59 is: 9,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.88 : 17,205.63 = 6,802.59 : x
  2. Step 2: Convert to fraction form
    12,467.88/17,205.63 = 6,802.59/x
  3. Step 3: Cross multiply
    12,467.88x = 17,205.63 × 6,802.59
  4. Step 4: Simplify right side
    12,467.88x = 117,042,760.55
  5. Step 5: Solve for x
    x = 117,042,760.55/12,467.88
  6. Step 6: Final answer
    x = 9,387.55

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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.