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Finding the Fourth Proportional to 7,335.14, 11,005.14 and 4,879.64

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Solution

The fourth proportional to 7,335.14, 11,005.14 and 4,879.64 is: 7,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.14 : 11,005.14 = 4,879.64 : x
  2. Step 2: Convert to fraction form
    7,335.14/11,005.14 = 4,879.64/x
  3. Step 3: Cross multiply
    7,335.14x = 11,005.14 × 4,879.64
  4. Step 4: Simplify right side
    7,335.14x = 53,701,121.35
  5. Step 5: Solve for x
    x = 53,701,121.35/7,335.14
  6. Step 6: Final answer
    x = 7,321.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.