Home / 9,850.77-13,589.78-6,489.27

Finding the Fourth Proportional to 9,850.77, 13,589.78 and 6,489.27

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Solution

The fourth proportional to 9,850.77, 13,589.78 and 6,489.27 is: 8,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850.77 : 13,589.78 = 6,489.27 : x
  2. Step 2: Convert to fraction form
    9,850.77/13,589.78 = 6,489.27/x
  3. Step 3: Cross multiply
    9,850.77x = 13,589.78 × 6,489.27
  4. Step 4: Simplify right side
    9,850.77x = 88,187,719.21
  5. Step 5: Solve for x
    x = 88,187,719.21/9,850.77
  6. Step 6: Final answer
    x = 8,952.37

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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.