Home / 8,765.87-13,145.55-2,523.77

Finding the Fourth Proportional to 8,765.87, 13,145.55 and 2,523.77

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Solution

The fourth proportional to 8,765.87, 13,145.55 and 2,523.77 is: 3,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.87 : 13,145.55 = 2,523.77 : x
  2. Step 2: Convert to fraction form
    8,765.87/13,145.55 = 2,523.77/x
  3. Step 3: Cross multiply
    8,765.87x = 13,145.55 × 2,523.77
  4. Step 4: Simplify right side
    8,765.87x = 33,176,279.00
  5. Step 5: Solve for x
    x = 33,176,279.00/8,765.87
  6. Step 6: Final answer
    x = 3,784.71

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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.