Home / 11,673.40-17,396.88-11,299.81

Finding the Fourth Proportional to 11,673.40, 17,396.88 and 11,299.81

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Solution

The fourth proportional to 11,673.40, 17,396.88 and 11,299.81 is: 16,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.40 : 17,396.88 = 11,299.81 : x
  2. Step 2: Convert to fraction form
    11,673.40/17,396.88 = 11,299.81/x
  3. Step 3: Cross multiply
    11,673.40x = 17,396.88 × 11,299.81
  4. Step 4: Simplify right side
    11,673.40x = 196,581,396.22
  5. Step 5: Solve for x
    x = 196,581,396.22/11,673.40
  6. Step 6: Final answer
    x = 16,840.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.