Home / 11,715.54-16,167.70-6,410.35

Finding the Fourth Proportional to 11,715.54, 16,167.70 and 6,410.35

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Solution

The fourth proportional to 11,715.54, 16,167.70 and 6,410.35 is: 8,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.54 : 16,167.70 = 6,410.35 : x
  2. Step 2: Convert to fraction form
    11,715.54/16,167.70 = 6,410.35/x
  3. Step 3: Cross multiply
    11,715.54x = 16,167.70 × 6,410.35
  4. Step 4: Simplify right side
    11,715.54x = 103,640,615.70
  5. Step 5: Solve for x
    x = 103,640,615.70/11,715.54
  6. Step 6: Final answer
    x = 8,846.42

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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.