Home / 11,962.86-17,944.20-5,384.40

Finding the Fourth Proportional to 11,962.86, 17,944.20 and 5,384.40

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Solution

The fourth proportional to 11,962.86, 17,944.20 and 5,384.40 is: 8,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.86 : 17,944.20 = 5,384.40 : x
  2. Step 2: Convert to fraction form
    11,962.86/17,944.20 = 5,384.40/x
  3. Step 3: Cross multiply
    11,962.86x = 17,944.20 × 5,384.40
  4. Step 4: Simplify right side
    11,962.86x = 96,618,750.48
  5. Step 5: Solve for x
    x = 96,618,750.48/11,962.86
  6. Step 6: Final answer
    x = 8,076.56

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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.