Home / 7,905.15-11,857.73-2,061.75

Finding the Fourth Proportional to 7,905.15, 11,857.73 and 2,061.75

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Solution

The fourth proportional to 7,905.15, 11,857.73 and 2,061.75 is: 3,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.15 : 11,857.73 = 2,061.75 : x
  2. Step 2: Convert to fraction form
    7,905.15/11,857.73 = 2,061.75/x
  3. Step 3: Cross multiply
    7,905.15x = 11,857.73 × 2,061.75
  4. Step 4: Simplify right side
    7,905.15x = 24,447,674.83
  5. Step 5: Solve for x
    x = 24,447,674.83/7,905.15
  6. Step 6: Final answer
    x = 3,092.63

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Similar ratio
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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.