Home / 11,407.41-17,028.57-9,857.37

Finding the Fourth Proportional to 11,407.41, 17,028.57 and 9,857.37

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Solution

The fourth proportional to 11,407.41, 17,028.57 and 9,857.37 is: 14,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.41 : 17,028.57 = 9,857.37 : x
  2. Step 2: Convert to fraction form
    11,407.41/17,028.57 = 9,857.37/x
  3. Step 3: Cross multiply
    11,407.41x = 17,028.57 × 9,857.37
  4. Step 4: Simplify right side
    11,407.41x = 167,856,915.06
  5. Step 5: Solve for x
    x = 167,856,915.06/11,407.41
  6. Step 6: Final answer
    x = 14,714.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.