Home / 11,039.33-15,238.69-6,792.11

Finding the Fourth Proportional to 11,039.33, 15,238.69 and 6,792.11

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Solution

The fourth proportional to 11,039.33, 15,238.69 and 6,792.11 is: 9,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.33 : 15,238.69 = 6,792.11 : x
  2. Step 2: Convert to fraction form
    11,039.33/15,238.69 = 6,792.11/x
  3. Step 3: Cross multiply
    11,039.33x = 15,238.69 × 6,792.11
  4. Step 4: Simplify right side
    11,039.33x = 103,502,858.74
  5. Step 5: Solve for x
    x = 103,502,858.74/11,039.33
  6. Step 6: Final answer
    x = 9,375.83

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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.