Home / 11,170.26-15,415.43-6,693.17

Finding the Fourth Proportional to 11,170.26, 15,415.43 and 6,693.17

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Solution

The fourth proportional to 11,170.26, 15,415.43 and 6,693.17 is: 9,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.26 : 15,415.43 = 6,693.17 : x
  2. Step 2: Convert to fraction form
    11,170.26/15,415.43 = 6,693.17/x
  3. Step 3: Cross multiply
    11,170.26x = 15,415.43 × 6,693.17
  4. Step 4: Simplify right side
    11,170.26x = 103,177,983.07
  5. Step 5: Solve for x
    x = 103,177,983.07/11,170.26
  6. Step 6: Final answer
    x = 9,236.85

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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.