Home / 11,838.56-16,336.33-6,802.79

Finding the Fourth Proportional to 11,838.56, 16,336.33 and 6,802.79

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Solution

The fourth proportional to 11,838.56, 16,336.33 and 6,802.79 is: 9,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.56 : 16,336.33 = 6,802.79 : x
  2. Step 2: Convert to fraction form
    11,838.56/16,336.33 = 6,802.79/x
  3. Step 3: Cross multiply
    11,838.56x = 16,336.33 × 6,802.79
  4. Step 4: Simplify right side
    11,838.56x = 111,132,561.94
  5. Step 5: Solve for x
    x = 111,132,561.94/11,838.56
  6. Step 6: Final answer
    x = 9,387.34

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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.