Home / 11,571.12-17,342.80-5,322.53

Finding the Fourth Proportional to 11,571.12, 17,342.80 and 5,322.53

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Solution

The fourth proportional to 11,571.12, 17,342.80 and 5,322.53 is: 7,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.12 : 17,342.80 = 5,322.53 : x
  2. Step 2: Convert to fraction form
    11,571.12/17,342.80 = 5,322.53/x
  3. Step 3: Cross multiply
    11,571.12x = 17,342.80 × 5,322.53
  4. Step 4: Simplify right side
    11,571.12x = 92,307,603.33
  5. Step 5: Solve for x
    x = 92,307,603.33/11,571.12
  6. Step 6: Final answer
    x = 7,977.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.