Home / 11,672.31-16,107.30-6,366.81

Finding the Fourth Proportional to 11,672.31, 16,107.30 and 6,366.81

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Solution

The fourth proportional to 11,672.31, 16,107.30 and 6,366.81 is: 8,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.31 : 16,107.30 = 6,366.81 : x
  2. Step 2: Convert to fraction form
    11,672.31/16,107.30 = 6,366.81/x
  3. Step 3: Cross multiply
    11,672.31x = 16,107.30 × 6,366.81
  4. Step 4: Simplify right side
    11,672.31x = 102,552,118.71
  5. Step 5: Solve for x
    x = 102,552,118.71/11,672.31
  6. Step 6: Final answer
    x = 8,785.93

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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.