Home / 8,729.44-12,044.58-4,951.78

Finding the Fourth Proportional to 8,729.44, 12,044.58 and 4,951.78

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Solution

The fourth proportional to 8,729.44, 12,044.58 and 4,951.78 is: 6,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.44 : 12,044.58 = 4,951.78 : x
  2. Step 2: Convert to fraction form
    8,729.44/12,044.58 = 4,951.78/x
  3. Step 3: Cross multiply
    8,729.44x = 12,044.58 × 4,951.78
  4. Step 4: Simplify right side
    8,729.44x = 59,642,110.35
  5. Step 5: Solve for x
    x = 59,642,110.35/8,729.44
  6. Step 6: Final answer
    x = 6,832.30

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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.