Home / 11,766.96-16,238.48-6,461.84

Finding the Fourth Proportional to 11,766.96, 16,238.48 and 6,461.84

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Solution

The fourth proportional to 11,766.96, 16,238.48 and 6,461.84 is: 8,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.96 : 16,238.48 = 6,461.84 : x
  2. Step 2: Convert to fraction form
    11,766.96/16,238.48 = 6,461.84/x
  3. Step 3: Cross multiply
    11,766.96x = 16,238.48 × 6,461.84
  4. Step 4: Simplify right side
    11,766.96x = 104,930,459.60
  5. Step 5: Solve for x
    x = 104,930,459.60/11,766.96
  6. Step 6: Final answer
    x = 8,917.38

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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.