Home / 11,415.33-17,087.15-7,260.03

Finding the Fourth Proportional to 11,415.33, 17,087.15 and 7,260.03

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Solution

The fourth proportional to 11,415.33, 17,087.15 and 7,260.03 is: 10,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.33 : 17,087.15 = 7,260.03 : x
  2. Step 2: Convert to fraction form
    11,415.33/17,087.15 = 7,260.03/x
  3. Step 3: Cross multiply
    11,415.33x = 17,087.15 × 7,260.03
  4. Step 4: Simplify right side
    11,415.33x = 124,053,239.76
  5. Step 5: Solve for x
    x = 124,053,239.76/11,415.33
  6. Step 6: Final answer
    x = 10,867.25

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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.