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Finding the Fourth Proportional to 8,858.10, 12,224.52 and 4,879.14

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Solution

The fourth proportional to 8,858.10, 12,224.52 and 4,879.14 is: 6,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.10 : 12,224.52 = 4,879.14 : x
  2. Step 2: Convert to fraction form
    8,858.10/12,224.52 = 4,879.14/x
  3. Step 3: Cross multiply
    8,858.10x = 12,224.52 × 4,879.14
  4. Step 4: Simplify right side
    8,858.10x = 59,645,144.51
  5. Step 5: Solve for x
    x = 59,645,144.51/8,858.10
  6. Step 6: Final answer
    x = 6,733.40

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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.