Home / 11,660.68-16,091.76-6,355.50

Finding the Fourth Proportional to 11,660.68, 16,091.76 and 6,355.50

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Solution

The fourth proportional to 11,660.68, 16,091.76 and 6,355.50 is: 8,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.68 : 16,091.76 = 6,355.50 : x
  2. Step 2: Convert to fraction form
    11,660.68/16,091.76 = 6,355.50/x
  3. Step 3: Cross multiply
    11,660.68x = 16,091.76 × 6,355.50
  4. Step 4: Simplify right side
    11,660.68x = 102,271,180.68
  5. Step 5: Solve for x
    x = 102,271,180.68/11,660.68
  6. Step 6: Final answer
    x = 8,770.60

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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.