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Finding the Fourth Proportional to 12,475.41, 17,216.09 and 6,886.41

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Solution

The fourth proportional to 12,475.41, 17,216.09 and 6,886.41 is: 9,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.41 : 17,216.09 = 6,886.41 : x
  2. Step 2: Convert to fraction form
    12,475.41/17,216.09 = 6,886.41/x
  3. Step 3: Cross multiply
    12,475.41x = 17,216.09 × 6,886.41
  4. Step 4: Simplify right side
    12,475.41x = 118,557,019.90
  5. Step 5: Solve for x
    x = 118,557,019.90/12,475.41
  6. Step 6: Final answer
    x = 9,503.26

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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.