Home / 11,745.12-16,213.36-7,028.52

Finding the Fourth Proportional to 11,745.12, 16,213.36 and 7,028.52

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Solution

The fourth proportional to 11,745.12, 16,213.36 and 7,028.52 is: 9,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.12 : 16,213.36 = 7,028.52 : x
  2. Step 2: Convert to fraction form
    11,745.12/16,213.36 = 7,028.52/x
  3. Step 3: Cross multiply
    11,745.12x = 16,213.36 × 7,028.52
  4. Step 4: Simplify right side
    11,745.12x = 113,955,925.03
  5. Step 5: Solve for x
    x = 113,955,925.03/11,745.12
  6. Step 6: Final answer
    x = 9,702.41

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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.