Home / 9,422.90-13,003.09-5,230.88

Finding the Fourth Proportional to 9,422.90, 13,003.09 and 5,230.88

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Solution

The fourth proportional to 9,422.90, 13,003.09 and 5,230.88 is: 7,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.90 : 13,003.09 = 5,230.88 : x
  2. Step 2: Convert to fraction form
    9,422.90/13,003.09 = 5,230.88/x
  3. Step 3: Cross multiply
    9,422.90x = 13,003.09 × 5,230.88
  4. Step 4: Simplify right side
    9,422.90x = 68,017,525.33
  5. Step 5: Solve for x
    x = 68,017,525.33/9,422.90
  6. Step 6: Final answer
    x = 7,218.33

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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.