Home / 6,824.45-9,417.83-4,171.29

Finding the Fourth Proportional to 6,824.45, 9,417.83 and 4,171.29

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Solution

The fourth proportional to 6,824.45, 9,417.83 and 4,171.29 is: 5,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.45 : 9,417.83 = 4,171.29 : x
  2. Step 2: Convert to fraction form
    6,824.45/9,417.83 = 4,171.29/x
  3. Step 3: Cross multiply
    6,824.45x = 9,417.83 × 4,171.29
  4. Step 4: Simplify right side
    6,824.45x = 39,284,479.24
  5. Step 5: Solve for x
    x = 39,284,479.24/6,824.45
  6. Step 6: Final answer
    x = 5,756.44

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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.