Home / 7,634.24-11,400.39-5,972.12

Finding the Fourth Proportional to 7,634.24, 11,400.39 and 5,972.12

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Solution

The fourth proportional to 7,634.24, 11,400.39 and 5,972.12 is: 8,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.24 : 11,400.39 = 5,972.12 : x
  2. Step 2: Convert to fraction form
    7,634.24/11,400.39 = 5,972.12/x
  3. Step 3: Cross multiply
    7,634.24x = 11,400.39 × 5,972.12
  4. Step 4: Simplify right side
    7,634.24x = 68,084,440.12
  5. Step 5: Solve for x
    x = 68,084,440.12/7,634.24
  6. Step 6: Final answer
    x = 8,918.31

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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.