Home / 11,217.52-15,493.12-7,674.56

Finding the Fourth Proportional to 11,217.52, 15,493.12 and 7,674.56

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Solution

The fourth proportional to 11,217.52, 15,493.12 and 7,674.56 is: 10,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.52 : 15,493.12 = 7,674.56 : x
  2. Step 2: Convert to fraction form
    11,217.52/15,493.12 = 7,674.56/x
  3. Step 3: Cross multiply
    11,217.52x = 15,493.12 × 7,674.56
  4. Step 4: Simplify right side
    11,217.52x = 118,902,879.03
  5. Step 5: Solve for x
    x = 118,902,879.03/11,217.52
  6. Step 6: Final answer
    x = 10,599.75

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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.