Home / 9,843.52-13,579.77-6,256.56

Finding the Fourth Proportional to 9,843.52, 13,579.77 and 6,256.56

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Solution

The fourth proportional to 9,843.52, 13,579.77 and 6,256.56 is: 8,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843.52 : 13,579.77 = 6,256.56 : x
  2. Step 2: Convert to fraction form
    9,843.52/13,579.77 = 6,256.56/x
  3. Step 3: Cross multiply
    9,843.52x = 13,579.77 × 6,256.56
  4. Step 4: Simplify right side
    9,843.52x = 84,962,645.79
  5. Step 5: Solve for x
    x = 84,962,645.79/9,843.52
  6. Step 6: Final answer
    x = 8,631.33

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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.