Home / 12,436.92-18,660.24-4,646.34

Finding the Fourth Proportional to 12,436.92, 18,660.24 and 4,646.34

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Solution

The fourth proportional to 12,436.92, 18,660.24 and 4,646.34 is: 6,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.92 : 18,660.24 = 4,646.34 : x
  2. Step 2: Convert to fraction form
    12,436.92/18,660.24 = 4,646.34/x
  3. Step 3: Cross multiply
    12,436.92x = 18,660.24 × 4,646.34
  4. Step 4: Simplify right side
    12,436.92x = 86,701,819.52
  5. Step 5: Solve for x
    x = 86,701,819.52/12,436.92
  6. Step 6: Final answer
    x = 6,971.33

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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.