Home / 12,397.58-17,083.23-11,522.54

Finding the Fourth Proportional to 12,397.58, 17,083.23 and 11,522.54

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Solution

The fourth proportional to 12,397.58, 17,083.23 and 11,522.54 is: 15,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.58 : 17,083.23 = 11,522.54 : x
  2. Step 2: Convert to fraction form
    12,397.58/17,083.23 = 11,522.54/x
  3. Step 3: Cross multiply
    12,397.58x = 17,083.23 × 11,522.54
  4. Step 4: Simplify right side
    12,397.58x = 196,842,201.00
  5. Step 5: Solve for x
    x = 196,842,201.00/12,397.58
  6. Step 6: Final answer
    x = 15,877.47

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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.