Home / 9,422.47-13,003.46-5,230.75

Finding the Fourth Proportional to 9,422.47, 13,003.46 and 5,230.75

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Solution

The fourth proportional to 9,422.47, 13,003.46 and 5,230.75 is: 7,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.47 : 13,003.46 = 5,230.75 : x
  2. Step 2: Convert to fraction form
    9,422.47/13,003.46 = 5,230.75/x
  3. Step 3: Cross multiply
    9,422.47x = 13,003.46 × 5,230.75
  4. Step 4: Simplify right side
    9,422.47x = 68,017,822.24
  5. Step 5: Solve for x
    x = 68,017,822.24/9,422.47
  6. Step 6: Final answer
    x = 7,218.68

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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.