Home / 11,672.56-16,107.47-6,636.07

Finding the Fourth Proportional to 11,672.56, 16,107.47 and 6,636.07

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Solution

The fourth proportional to 11,672.56, 16,107.47 and 6,636.07 is: 9,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.56 : 16,107.47 = 6,636.07 : x
  2. Step 2: Convert to fraction form
    11,672.56/16,107.47 = 6,636.07/x
  3. Step 3: Cross multiply
    11,672.56x = 16,107.47 × 6,636.07
  4. Step 4: Simplify right side
    11,672.56x = 106,890,217.91
  5. Step 5: Solve for x
    x = 106,890,217.91/11,672.56
  6. Step 6: Final answer
    x = 9,157.40

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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.