Home / 9,220.14-12,721.86-5,861.73

Finding the Fourth Proportional to 9,220.14, 12,721.86 and 5,861.73

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Solution

The fourth proportional to 9,220.14, 12,721.86 and 5,861.73 is: 8,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.14 : 12,721.86 = 5,861.73 : x
  2. Step 2: Convert to fraction form
    9,220.14/12,721.86 = 5,861.73/x
  3. Step 3: Cross multiply
    9,220.14x = 12,721.86 × 5,861.73
  4. Step 4: Simplify right side
    9,220.14x = 74,572,108.42
  5. Step 5: Solve for x
    x = 74,572,108.42/9,220.14
  6. Step 6: Final answer
    x = 8,087.96

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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.