Home / 9,883.25-13,639.62-5,634.42

Finding the Fourth Proportional to 9,883.25, 13,639.62 and 5,634.42

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Solution

The fourth proportional to 9,883.25, 13,639.62 and 5,634.42 is: 7,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.25 : 13,639.62 = 5,634.42 : x
  2. Step 2: Convert to fraction form
    9,883.25/13,639.62 = 5,634.42/x
  3. Step 3: Cross multiply
    9,883.25x = 13,639.62 × 5,634.42
  4. Step 4: Simplify right side
    9,883.25x = 76,851,317.70
  5. Step 5: Solve for x
    x = 76,851,317.70/9,883.25
  6. Step 6: Final answer
    x = 7,775.92

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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.