Home / 11,634.48-17,380.92-7,440.96

Finding the Fourth Proportional to 11,634.48, 17,380.92 and 7,440.96

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Solution

The fourth proportional to 11,634.48, 17,380.92 and 7,440.96 is: 11,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,634.48 : 17,380.92 = 7,440.96 : x
  2. Step 2: Convert to fraction form
    11,634.48/17,380.92 = 7,440.96/x
  3. Step 3: Cross multiply
    11,634.48x = 17,380.92 × 7,440.96
  4. Step 4: Simplify right side
    11,634.48x = 129,330,730.48
  5. Step 5: Solve for x
    x = 129,330,730.48/11,634.48
  6. Step 6: Final answer
    x = 11,116.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.