Home / 11,268.28-16,905.36-4,248.37

Finding the Fourth Proportional to 11,268.28, 16,905.36 and 4,248.37

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Solution

The fourth proportional to 11,268.28, 16,905.36 and 4,248.37 is: 6,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.28 : 16,905.36 = 4,248.37 : x
  2. Step 2: Convert to fraction form
    11,268.28/16,905.36 = 4,248.37/x
  3. Step 3: Cross multiply
    11,268.28x = 16,905.36 × 4,248.37
  4. Step 4: Simplify right side
    11,268.28x = 71,820,224.26
  5. Step 5: Solve for x
    x = 71,820,224.26/11,268.28
  6. Step 6: Final answer
    x = 6,373.66

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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.