Home / 11,683.46-16,123.19-7,491.71

Finding the Fourth Proportional to 11,683.46, 16,123.19 and 7,491.71

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Solution

The fourth proportional to 11,683.46, 16,123.19 and 7,491.71 is: 10,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,683.46 : 16,123.19 = 7,491.71 : x
  2. Step 2: Convert to fraction form
    11,683.46/16,123.19 = 7,491.71/x
  3. Step 3: Cross multiply
    11,683.46x = 16,123.19 × 7,491.71
  4. Step 4: Simplify right side
    11,683.46x = 120,790,145.68
  5. Step 5: Solve for x
    x = 120,790,145.68/11,683.46
  6. Step 6: Final answer
    x = 10,338.56

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Double scale
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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.