Home / 11,742.12-16,204.50-6,436.89

Finding the Fourth Proportional to 11,742.12, 16,204.50 and 6,436.89

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Solution

The fourth proportional to 11,742.12, 16,204.50 and 6,436.89 is: 8,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.12 : 16,204.50 = 6,436.89 : x
  2. Step 2: Convert to fraction form
    11,742.12/16,204.50 = 6,436.89/x
  3. Step 3: Cross multiply
    11,742.12x = 16,204.50 × 6,436.89
  4. Step 4: Simplify right side
    11,742.12x = 104,306,584.01
  5. Step 5: Solve for x
    x = 104,306,584.01/11,742.12
  6. Step 6: Final answer
    x = 8,883.11

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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.