Home / 12,600.64-18,901.68-3,716.92

Finding the Fourth Proportional to 12,600.64, 18,901.68 and 3,716.92

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Solution

The fourth proportional to 12,600.64, 18,901.68 and 3,716.92 is: 5,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.64 : 18,901.68 = 3,716.92 : x
  2. Step 2: Convert to fraction form
    12,600.64/18,901.68 = 3,716.92/x
  3. Step 3: Cross multiply
    12,600.64x = 18,901.68 × 3,716.92
  4. Step 4: Simplify right side
    12,600.64x = 70,256,032.43
  5. Step 5: Solve for x
    x = 70,256,032.43/12,600.64
  6. Step 6: Final answer
    x = 5,575.59

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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.