Home / 11,661.02-17,481.80-5,809.58

Finding the Fourth Proportional to 11,661.02, 17,481.80 and 5,809.58

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Solution

The fourth proportional to 11,661.02, 17,481.80 and 5,809.58 is: 8,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.02 : 17,481.80 = 5,809.58 : x
  2. Step 2: Convert to fraction form
    11,661.02/17,481.80 = 5,809.58/x
  3. Step 3: Cross multiply
    11,661.02x = 17,481.80 × 5,809.58
  4. Step 4: Simplify right side
    11,661.02x = 101,561,915.64
  5. Step 5: Solve for x
    x = 101,561,915.64/11,661.02
  6. Step 6: Final answer
    x = 8,709.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.