Home / 11,475.12-17,212.68-4,548

Finding the Fourth Proportional to 11,475.12, 17,212.68 and 4,548

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Solution

The fourth proportional to 11,475.12, 17,212.68 and 4,548 is: 6,822

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.12 : 17,212.68 = 4,548 : x
  2. Step 2: Convert to fraction form
    11,475.12/17,212.68 = 4,548/x
  3. Step 3: Cross multiply
    11,475.12x = 17,212.68 × 4,548
  4. Step 4: Simplify right side
    11,475.12x = 78,283,268.64
  5. Step 5: Solve for x
    x = 78,283,268.64/11,475.12
  6. Step 6: Final answer
    x = 6,822

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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.