Home / 8,242.82-11,375.58-5,056.47

Finding the Fourth Proportional to 8,242.82, 11,375.58 and 5,056.47

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Solution

The fourth proportional to 8,242.82, 11,375.58 and 5,056.47 is: 6,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.82 : 11,375.58 = 5,056.47 : x
  2. Step 2: Convert to fraction form
    8,242.82/11,375.58 = 5,056.47/x
  3. Step 3: Cross multiply
    8,242.82x = 11,375.58 × 5,056.47
  4. Step 4: Simplify right side
    8,242.82x = 57,520,279.00
  5. Step 5: Solve for x
    x = 57,520,279.00/8,242.82
  6. Step 6: Final answer
    x = 6,978.23

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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.