Home / 8,060.60-12,089.97-3,897.11

Finding the Fourth Proportional to 8,060.60, 12,089.97 and 3,897.11

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Solution

The fourth proportional to 8,060.60, 12,089.97 and 3,897.11 is: 5,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.60 : 12,089.97 = 3,897.11 : x
  2. Step 2: Convert to fraction form
    8,060.60/12,089.97 = 3,897.11/x
  3. Step 3: Cross multiply
    8,060.60x = 12,089.97 × 3,897.11
  4. Step 4: Simplify right side
    8,060.60x = 47,115,942.99
  5. Step 5: Solve for x
    x = 47,115,942.99/8,060.60
  6. Step 6: Final answer
    x = 5,845.22

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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.