Home / 12,252.36-18,384.62-4,856.65

Finding the Fourth Proportional to 12,252.36, 18,384.62 and 4,856.65

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Solution

The fourth proportional to 12,252.36, 18,384.62 and 4,856.65 is: 7,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.36 : 18,384.62 = 4,856.65 : x
  2. Step 2: Convert to fraction form
    12,252.36/18,384.62 = 4,856.65/x
  3. Step 3: Cross multiply
    12,252.36x = 18,384.62 × 4,856.65
  4. Step 4: Simplify right side
    12,252.36x = 89,287,664.72
  5. Step 5: Solve for x
    x = 89,287,664.72/12,252.36
  6. Step 6: Final answer
    x = 7,287.39

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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.