Home / 12,453.52-18,685.20-4,660.56

Finding the Fourth Proportional to 12,453.52, 18,685.20 and 4,660.56

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Solution

The fourth proportional to 12,453.52, 18,685.20 and 4,660.56 is: 6,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.52 : 18,685.20 = 4,660.56 : x
  2. Step 2: Convert to fraction form
    12,453.52/18,685.20 = 4,660.56/x
  3. Step 3: Cross multiply
    12,453.52x = 18,685.20 × 4,660.56
  4. Step 4: Simplify right side
    12,453.52x = 87,083,495.71
  5. Step 5: Solve for x
    x = 87,083,495.71/12,453.52
  6. Step 6: Final answer
    x = 6,992.68

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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.