Home / 9,883.15-13,639.56-5,634.29

Finding the Fourth Proportional to 9,883.15, 13,639.56 and 5,634.29

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Solution

The fourth proportional to 9,883.15, 13,639.56 and 5,634.29 is: 7,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.15 : 13,639.56 = 5,634.29 : x
  2. Step 2: Convert to fraction form
    9,883.15/13,639.56 = 5,634.29/x
  3. Step 3: Cross multiply
    9,883.15x = 13,639.56 × 5,634.29
  4. Step 4: Simplify right side
    9,883.15x = 76,849,249.48
  5. Step 5: Solve for x
    x = 76,849,249.48/9,883.15
  6. Step 6: Final answer
    x = 7,775.79

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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.