Home / 11,113.78-16,660.86-4,193.14

Finding the Fourth Proportional to 11,113.78, 16,660.86 and 4,193.14

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Solution

The fourth proportional to 11,113.78, 16,660.86 and 4,193.14 is: 6,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.78 : 16,660.86 = 4,193.14 : x
  2. Step 2: Convert to fraction form
    11,113.78/16,660.86 = 4,193.14/x
  3. Step 3: Cross multiply
    11,113.78x = 16,660.86 × 4,193.14
  4. Step 4: Simplify right side
    11,113.78x = 69,861,318.50
  5. Step 5: Solve for x
    x = 69,861,318.50/11,113.78
  6. Step 6: Final answer
    x = 6,286.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.