Home / 11,715.56-16,167.48-6,410.38

Finding the Fourth Proportional to 11,715.56, 16,167.48 and 6,410.38

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Solution

The fourth proportional to 11,715.56, 16,167.48 and 6,410.38 is: 8,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.56 : 16,167.48 = 6,410.38 : x
  2. Step 2: Convert to fraction form
    11,715.56/16,167.48 = 6,410.38/x
  3. Step 3: Cross multiply
    11,715.56x = 16,167.48 × 6,410.38
  4. Step 4: Simplify right side
    11,715.56x = 103,639,690.44
  5. Step 5: Solve for x
    x = 103,639,690.44/11,715.56
  6. Step 6: Final answer
    x = 8,846.33

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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.