Home / 12,287.54-18,432.27-4,496.18

Finding the Fourth Proportional to 12,287.54, 18,432.27 and 4,496.18

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Solution

The fourth proportional to 12,287.54, 18,432.27 and 4,496.18 is: 6,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.54 : 18,432.27 = 4,496.18 : x
  2. Step 2: Convert to fraction form
    12,287.54/18,432.27 = 4,496.18/x
  3. Step 3: Cross multiply
    12,287.54x = 18,432.27 × 4,496.18
  4. Step 4: Simplify right side
    12,287.54x = 82,874,803.73
  5. Step 5: Solve for x
    x = 82,874,803.73/12,287.54
  6. Step 6: Final answer
    x = 6,744.62

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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.