Home / 8,675.87-11,971.97-5,090.46

Finding the Fourth Proportional to 8,675.87, 11,971.97 and 5,090.46

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Solution

The fourth proportional to 8,675.87, 11,971.97 and 5,090.46 is: 7,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.87 : 11,971.97 = 5,090.46 : x
  2. Step 2: Convert to fraction form
    8,675.87/11,971.97 = 5,090.46/x
  3. Step 3: Cross multiply
    8,675.87x = 11,971.97 × 5,090.46
  4. Step 4: Simplify right side
    8,675.87x = 60,942,749.09
  5. Step 5: Solve for x
    x = 60,942,749.09/8,675.87
  6. Step 6: Final answer
    x = 7,024.40

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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.