Home / 10,321.08-14,243.22-5,605.44

Finding the Fourth Proportional to 10,321.08, 14,243.22 and 5,605.44

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Solution

The fourth proportional to 10,321.08, 14,243.22 and 5,605.44 is: 7,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.08 : 14,243.22 = 5,605.44 : x
  2. Step 2: Convert to fraction form
    10,321.08/14,243.22 = 5,605.44/x
  3. Step 3: Cross multiply
    10,321.08x = 14,243.22 × 5,605.44
  4. Step 4: Simplify right side
    10,321.08x = 79,839,515.12
  5. Step 5: Solve for x
    x = 79,839,515.12/10,321.08
  6. Step 6: Final answer
    x = 7,735.58

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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.