Home / 11,007.13-15,192.56-6,759.21

Finding the Fourth Proportional to 11,007.13, 15,192.56 and 6,759.21

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Solution

The fourth proportional to 11,007.13, 15,192.56 and 6,759.21 is: 9,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.13 : 15,192.56 = 6,759.21 : x
  2. Step 2: Convert to fraction form
    11,007.13/15,192.56 = 6,759.21/x
  3. Step 3: Cross multiply
    11,007.13x = 15,192.56 × 6,759.21
  4. Step 4: Simplify right side
    11,007.13x = 102,689,669.68
  5. Step 5: Solve for x
    x = 102,689,669.68/11,007.13
  6. Step 6: Final answer
    x = 9,329.38

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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.