Home / 7,999.67-12,000.92-2,733.45

Finding the Fourth Proportional to 7,999.67, 12,000.92 and 2,733.45

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Solution

The fourth proportional to 7,999.67, 12,000.92 and 2,733.45 is: 4,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.67 : 12,000.92 = 2,733.45 : x
  2. Step 2: Convert to fraction form
    7,999.67/12,000.92 = 2,733.45/x
  3. Step 3: Cross multiply
    7,999.67x = 12,000.92 × 2,733.45
  4. Step 4: Simplify right side
    7,999.67x = 32,803,921.61
  5. Step 5: Solve for x
    x = 32,803,921.61/7,999.67
  6. Step 6: Final answer
    x = 4,100.66

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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.