Home / 9,422.96-13,003.68-5,231.21

Finding the Fourth Proportional to 9,422.96, 13,003.68 and 5,231.21

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Solution

The fourth proportional to 9,422.96, 13,003.68 and 5,231.21 is: 7,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.96 : 13,003.68 = 5,231.21 : x
  2. Step 2: Convert to fraction form
    9,422.96/13,003.68 = 5,231.21/x
  3. Step 3: Cross multiply
    9,422.96x = 13,003.68 × 5,231.21
  4. Step 4: Simplify right side
    9,422.96x = 68,024,896.22
  5. Step 5: Solve for x
    x = 68,024,896.22/9,422.96
  6. Step 6: Final answer
    x = 7,219.06

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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.