Home / 9,682.14-13,361.36-5,490.39

Finding the Fourth Proportional to 9,682.14, 13,361.36 and 5,490.39

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Solution

The fourth proportional to 9,682.14, 13,361.36 and 5,490.39 is: 7,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,682.14 : 13,361.36 = 5,490.39 : x
  2. Step 2: Convert to fraction form
    9,682.14/13,361.36 = 5,490.39/x
  3. Step 3: Cross multiply
    9,682.14x = 13,361.36 × 5,490.39
  4. Step 4: Simplify right side
    9,682.14x = 73,359,077.33
  5. Step 5: Solve for x
    x = 73,359,077.33/9,682.14
  6. Step 6: Final answer
    x = 7,576.74

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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.