Home / 7,887.79-11,833.96-2,550.85

Finding the Fourth Proportional to 7,887.79, 11,833.96 and 2,550.85

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Solution

The fourth proportional to 7,887.79, 11,833.96 and 2,550.85 is: 3,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.79 : 11,833.96 = 2,550.85 : x
  2. Step 2: Convert to fraction form
    7,887.79/11,833.96 = 2,550.85/x
  3. Step 3: Cross multiply
    7,887.79x = 11,833.96 × 2,550.85
  4. Step 4: Simplify right side
    7,887.79x = 30,186,656.87
  5. Step 5: Solve for x
    x = 30,186,656.87/7,887.79
  6. Step 6: Final answer
    x = 3,827.01

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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.