Home / 11,140.27-16,708.61-4,123.62

Finding the Fourth Proportional to 11,140.27, 16,708.61 and 4,123.62

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Solution

The fourth proportional to 11,140.27, 16,708.61 and 4,123.62 is: 6,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.27 : 16,708.61 = 4,123.62 : x
  2. Step 2: Convert to fraction form
    11,140.27/16,708.61 = 4,123.62/x
  3. Step 3: Cross multiply
    11,140.27x = 16,708.61 × 4,123.62
  4. Step 4: Simplify right side
    11,140.27x = 68,899,968.68
  5. Step 5: Solve for x
    x = 68,899,968.68/11,140.27
  6. Step 6: Final answer
    x = 6,184.77

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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.