Home / 8,087.76-11,154.21-4,900.32

Finding the Fourth Proportional to 8,087.76, 11,154.21 and 4,900.32

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Solution

The fourth proportional to 8,087.76, 11,154.21 and 4,900.32 is: 6,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.76 : 11,154.21 = 4,900.32 : x
  2. Step 2: Convert to fraction form
    8,087.76/11,154.21 = 4,900.32/x
  3. Step 3: Cross multiply
    8,087.76x = 11,154.21 × 4,900.32
  4. Step 4: Simplify right side
    8,087.76x = 54,659,198.35
  5. Step 5: Solve for x
    x = 54,659,198.35/8,087.76
  6. Step 6: Final answer
    x = 6,758.26

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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.