Home / 11,853.27-16,350.66-7,661.52

Finding the Fourth Proportional to 11,853.27, 16,350.66 and 7,661.52

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Solution

The fourth proportional to 11,853.27, 16,350.66 and 7,661.52 is: 10,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.27 : 16,350.66 = 7,661.52 : x
  2. Step 2: Convert to fraction form
    11,853.27/16,350.66 = 7,661.52/x
  3. Step 3: Cross multiply
    11,853.27x = 16,350.66 × 7,661.52
  4. Step 4: Simplify right side
    11,853.27x = 125,270,908.60
  5. Step 5: Solve for x
    x = 125,270,908.60/11,853.27
  6. Step 6: Final answer
    x = 10,568.47

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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.