Home / 8,425.88-11,628.76-5,070.44

Finding the Fourth Proportional to 8,425.88, 11,628.76 and 5,070.44

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Solution

The fourth proportional to 8,425.88, 11,628.76 and 5,070.44 is: 6,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.88 : 11,628.76 = 5,070.44 : x
  2. Step 2: Convert to fraction form
    8,425.88/11,628.76 = 5,070.44/x
  3. Step 3: Cross multiply
    8,425.88x = 11,628.76 × 5,070.44
  4. Step 4: Simplify right side
    8,425.88x = 58,962,929.85
  5. Step 5: Solve for x
    x = 58,962,929.85/8,425.88
  6. Step 6: Final answer
    x = 6,997.84

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Half scale
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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.