Home / 11,684.52-16,124.49-6,379.47

Finding the Fourth Proportional to 11,684.52, 16,124.49 and 6,379.47

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Solution

The fourth proportional to 11,684.52, 16,124.49 and 6,379.47 is: 8,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.52 : 16,124.49 = 6,379.47 : x
  2. Step 2: Convert to fraction form
    11,684.52/16,124.49 = 6,379.47/x
  3. Step 3: Cross multiply
    11,684.52x = 16,124.49 × 6,379.47
  4. Step 4: Simplify right side
    11,684.52x = 102,865,700.22
  5. Step 5: Solve for x
    x = 102,865,700.22/11,684.52
  6. Step 6: Final answer
    x = 8,803.59

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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.