Home / 11,160.06-16,740.10-4,234.56

Finding the Fourth Proportional to 11,160.06, 16,740.10 and 4,234.56

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Solution

The fourth proportional to 11,160.06, 16,740.10 and 4,234.56 is: 6,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.06 : 16,740.10 = 4,234.56 : x
  2. Step 2: Convert to fraction form
    11,160.06/16,740.10 = 4,234.56/x
  3. Step 3: Cross multiply
    11,160.06x = 16,740.10 × 4,234.56
  4. Step 4: Simplify right side
    11,160.06x = 70,886,957.86
  5. Step 5: Solve for x
    x = 70,886,957.86/11,160.06
  6. Step 6: Final answer
    x = 6,351.84

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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.