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Finding the Fourth Proportional to 9,155.88, 12,628.44 and 5,799.24

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Solution

The fourth proportional to 9,155.88, 12,628.44 and 5,799.24 is: 7,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.88 : 12,628.44 = 5,799.24 : x
  2. Step 2: Convert to fraction form
    9,155.88/12,628.44 = 5,799.24/x
  3. Step 3: Cross multiply
    9,155.88x = 12,628.44 × 5,799.24
  4. Step 4: Simplify right side
    9,155.88x = 73,235,354.39
  5. Step 5: Solve for x
    x = 73,235,354.39/9,155.88
  6. Step 6: Final answer
    x = 7,998.72

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Similar ratio
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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.