Home / 15,786.97-23,659.98-6,416.09

Finding the Fourth Proportional to 15,786.97, 23,659.98 and 6,416.09

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Solution

The fourth proportional to 15,786.97, 23,659.98 and 6,416.09 is: 9,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.97 : 23,659.98 = 6,416.09 : x
  2. Step 2: Convert to fraction form
    15,786.97/23,659.98 = 6,416.09/x
  3. Step 3: Cross multiply
    15,786.97x = 23,659.98 × 6,416.09
  4. Step 4: Simplify right side
    15,786.97x = 151,804,561.58
  5. Step 5: Solve for x
    x = 151,804,561.58/15,786.97
  6. Step 6: Final answer
    x = 9,615.82

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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.