Home / 12,504.20-17,255.07-6,837.89

Finding the Fourth Proportional to 12,504.20, 17,255.07 and 6,837.89

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Solution

The fourth proportional to 12,504.20, 17,255.07 and 6,837.89 is: 9,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.20 : 17,255.07 = 6,837.89 : x
  2. Step 2: Convert to fraction form
    12,504.20/17,255.07 = 6,837.89/x
  3. Step 3: Cross multiply
    12,504.20x = 17,255.07 × 6,837.89
  4. Step 4: Simplify right side
    12,504.20x = 117,988,184.33
  5. Step 5: Solve for x
    x = 117,988,184.33/12,504.20
  6. Step 6: Final answer
    x = 9,435.89

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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.