Home / 11,511.30-17,268.56-3,717.48

Finding the Fourth Proportional to 11,511.30, 17,268.56 and 3,717.48

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Solution

The fourth proportional to 11,511.30, 17,268.56 and 3,717.48 is: 5,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.30 : 17,268.56 = 3,717.48 : x
  2. Step 2: Convert to fraction form
    11,511.30/17,268.56 = 3,717.48/x
  3. Step 3: Cross multiply
    11,511.30x = 17,268.56 × 3,717.48
  4. Step 4: Simplify right side
    11,511.30x = 64,195,526.43
  5. Step 5: Solve for x
    x = 64,195,526.43/11,511.30
  6. Step 6: Final answer
    x = 5,576.74

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1.5x scale

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.