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Finding the Fourth Proportional to 8,874.36, 12,246.06 and 5,335.32

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Solution

The fourth proportional to 8,874.36, 12,246.06 and 5,335.32 is: 7,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.36 : 12,246.06 = 5,335.32 : x
  2. Step 2: Convert to fraction form
    8,874.36/12,246.06 = 5,335.32/x
  3. Step 3: Cross multiply
    8,874.36x = 12,246.06 × 5,335.32
  4. Step 4: Simplify right side
    8,874.36x = 65,336,648.84
  5. Step 5: Solve for x
    x = 65,336,648.84/8,874.36
  6. Step 6: Final answer
    x = 7,362.41

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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.