Home / 10,211.96-14,091.36-5,735.36

Finding the Fourth Proportional to 10,211.96, 14,091.36 and 5,735.36

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Solution

The fourth proportional to 10,211.96, 14,091.36 and 5,735.36 is: 7,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.96 : 14,091.36 = 5,735.36 : x
  2. Step 2: Convert to fraction form
    10,211.96/14,091.36 = 5,735.36/x
  3. Step 3: Cross multiply
    10,211.96x = 14,091.36 × 5,735.36
  4. Step 4: Simplify right side
    10,211.96x = 80,819,022.49
  5. Step 5: Solve for x
    x = 80,819,022.49/10,211.96
  6. Step 6: Final answer
    x = 7,914.15

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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.