Home / 11,766.70-16,237.49-6,461.60

Finding the Fourth Proportional to 11,766.70, 16,237.49 and 6,461.60

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Solution

The fourth proportional to 11,766.70, 16,237.49 and 6,461.60 is: 8,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.70 : 16,237.49 = 6,461.60 : x
  2. Step 2: Convert to fraction form
    11,766.70/16,237.49 = 6,461.60/x
  3. Step 3: Cross multiply
    11,766.70x = 16,237.49 × 6,461.60
  4. Step 4: Simplify right side
    11,766.70x = 104,920,173.67
  5. Step 5: Solve for x
    x = 104,920,173.67/11,766.70
  6. Step 6: Final answer
    x = 8,916.71

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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.