Home / 11,605.26-17,393.59-4,578.21

Finding the Fourth Proportional to 11,605.26, 17,393.59 and 4,578.21

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Solution

The fourth proportional to 11,605.26, 17,393.59 and 4,578.21 is: 6,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.26 : 17,393.59 = 4,578.21 : x
  2. Step 2: Convert to fraction form
    11,605.26/17,393.59 = 4,578.21/x
  3. Step 3: Cross multiply
    11,605.26x = 17,393.59 × 4,578.21
  4. Step 4: Simplify right side
    11,605.26x = 79,631,513.40
  5. Step 5: Solve for x
    x = 79,631,513.40/11,605.26
  6. Step 6: Final answer
    x = 6,861.67

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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.