Home / 12,252.08-18,380.28-4,857.68

Finding the Fourth Proportional to 12,252.08, 18,380.28 and 4,857.68

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Solution

The fourth proportional to 12,252.08, 18,380.28 and 4,857.68 is: 7,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.08 : 18,380.28 = 4,857.68 : x
  2. Step 2: Convert to fraction form
    12,252.08/18,380.28 = 4,857.68/x
  3. Step 3: Cross multiply
    12,252.08x = 18,380.28 × 4,857.68
  4. Step 4: Simplify right side
    12,252.08x = 89,285,518.55
  5. Step 5: Solve for x
    x = 89,285,518.55/12,252.08
  6. Step 6: Final answer
    x = 7,287.38

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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.