Home / 11,766.08-16,220.04-8,402.96

Finding the Fourth Proportional to 11,766.08, 16,220.04 and 8,402.96

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Solution

The fourth proportional to 11,766.08, 16,220.04 and 8,402.96 is: 11,583.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.08 : 16,220.04 = 8,402.96 : x
  2. Step 2: Convert to fraction form
    11,766.08/16,220.04 = 8,402.96/x
  3. Step 3: Cross multiply
    11,766.08x = 16,220.04 × 8,402.96
  4. Step 4: Simplify right side
    11,766.08x = 136,296,347.32
  5. Step 5: Solve for x
    x = 136,296,347.32/11,766.08
  6. Step 6: Final answer
    x = 11,583.84

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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.