Home / 9,622.88-13,278.28-5,373.44

Finding the Fourth Proportional to 9,622.88, 13,278.28 and 5,373.44

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Solution

The fourth proportional to 9,622.88, 13,278.28 and 5,373.44 is: 7,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.88 : 13,278.28 = 5,373.44 : x
  2. Step 2: Convert to fraction form
    9,622.88/13,278.28 = 5,373.44/x
  3. Step 3: Cross multiply
    9,622.88x = 13,278.28 × 5,373.44
  4. Step 4: Simplify right side
    9,622.88x = 71,350,040.88
  5. Step 5: Solve for x
    x = 71,350,040.88/9,622.88
  6. Step 6: Final answer
    x = 7,414.62

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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.