Home / 11,160.13-16,740.19-4,234.63

Finding the Fourth Proportional to 11,160.13, 16,740.19 and 4,234.63

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Solution

The fourth proportional to 11,160.13, 16,740.19 and 4,234.63 is: 6,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.13 : 16,740.19 = 4,234.63 : x
  2. Step 2: Convert to fraction form
    11,160.13/16,740.19 = 4,234.63/x
  3. Step 3: Cross multiply
    11,160.13x = 16,740.19 × 4,234.63
  4. Step 4: Simplify right side
    11,160.13x = 70,888,510.78
  5. Step 5: Solve for x
    x = 70,888,510.78/11,160.13
  6. Step 6: Final answer
    x = 6,351.94

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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.