Home / 12,274.48-18,411.68-5,256.64

Finding the Fourth Proportional to 12,274.48, 18,411.68 and 5,256.64

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Solution

The fourth proportional to 12,274.48, 18,411.68 and 5,256.64 is: 7,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.48 : 18,411.68 = 5,256.64 : x
  2. Step 2: Convert to fraction form
    12,274.48/18,411.68 = 5,256.64/x
  3. Step 3: Cross multiply
    12,274.48x = 18,411.68 × 5,256.64
  4. Step 4: Simplify right side
    12,274.48x = 96,783,573.56
  5. Step 5: Solve for x
    x = 96,783,573.56/12,274.48
  6. Step 6: Final answer
    x = 7,884.94

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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.