Home / 6,628.26-9,143.52-4,109.56

Finding the Fourth Proportional to 6,628.26, 9,143.52 and 4,109.56

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Solution

The fourth proportional to 6,628.26, 9,143.52 and 4,109.56 is: 5,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.26 : 9,143.52 = 4,109.56 : x
  2. Step 2: Convert to fraction form
    6,628.26/9,143.52 = 4,109.56/x
  3. Step 3: Cross multiply
    6,628.26x = 9,143.52 × 4,109.56
  4. Step 4: Simplify right side
    6,628.26x = 37,575,844.05
  5. Step 5: Solve for x
    x = 37,575,844.05/6,628.26
  6. Step 6: Final answer
    x = 5,669.04

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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.