Home / 11,672.99-16,108.71-6,367.81

Finding the Fourth Proportional to 11,672.99, 16,108.71 and 6,367.81

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Solution

The fourth proportional to 11,672.99, 16,108.71 and 6,367.81 is: 8,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.99 : 16,108.71 = 6,367.81 : x
  2. Step 2: Convert to fraction form
    11,672.99/16,108.71 = 6,367.81/x
  3. Step 3: Cross multiply
    11,672.99x = 16,108.71 × 6,367.81
  4. Step 4: Simplify right side
    11,672.99x = 102,577,204.63
  5. Step 5: Solve for x
    x = 102,577,204.63/11,672.99
  6. Step 6: Final answer
    x = 8,787.57

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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.