Home / 7,882.88-10,876.48-5,087.84

Finding the Fourth Proportional to 7,882.88, 10,876.48 and 5,087.84

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Solution

The fourth proportional to 7,882.88, 10,876.48 and 5,087.84 is: 7,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.88 : 10,876.48 = 5,087.84 : x
  2. Step 2: Convert to fraction form
    7,882.88/10,876.48 = 5,087.84/x
  3. Step 3: Cross multiply
    7,882.88x = 10,876.48 × 5,087.84
  4. Step 4: Simplify right side
    7,882.88x = 55,337,790.00
  5. Step 5: Solve for x
    x = 55,337,790.00/7,882.88
  6. Step 6: Final answer
    x = 7,020.00

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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.