Home / 11,741.40-16,202.70-7,028.28

Finding the Fourth Proportional to 11,741.40, 16,202.70 and 7,028.28

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Solution

The fourth proportional to 11,741.40, 16,202.70 and 7,028.28 is: 9,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.40 : 16,202.70 = 7,028.28 : x
  2. Step 2: Convert to fraction form
    11,741.40/16,202.70 = 7,028.28/x
  3. Step 3: Cross multiply
    11,741.40x = 16,202.70 × 7,028.28
  4. Step 4: Simplify right side
    11,741.40x = 113,877,112.36
  5. Step 5: Solve for x
    x = 113,877,112.36/11,741.40
  6. Step 6: Final answer
    x = 9,698.77

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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.