Home / 8,519.94-11,757.56-4,982.40

Finding the Fourth Proportional to 8,519.94, 11,757.56 and 4,982.40

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Solution

The fourth proportional to 8,519.94, 11,757.56 and 4,982.40 is: 6,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.94 : 11,757.56 = 4,982.40 : x
  2. Step 2: Convert to fraction form
    8,519.94/11,757.56 = 4,982.40/x
  3. Step 3: Cross multiply
    8,519.94x = 11,757.56 × 4,982.40
  4. Step 4: Simplify right side
    8,519.94x = 58,580,842.03
  5. Step 5: Solve for x
    x = 58,580,842.03/8,519.94
  6. Step 6: Final answer
    x = 6,875.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.