Home / 8,087.74-11,153.26-5,255.88

Finding the Fourth Proportional to 8,087.74, 11,153.26 and 5,255.88

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Solution

The fourth proportional to 8,087.74, 11,153.26 and 5,255.88 is: 7,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.74 : 11,153.26 = 5,255.88 : x
  2. Step 2: Convert to fraction form
    8,087.74/11,153.26 = 5,255.88/x
  3. Step 3: Cross multiply
    8,087.74x = 11,153.26 × 5,255.88
  4. Step 4: Simplify right side
    8,087.74x = 58,620,196.17
  5. Step 5: Solve for x
    x = 58,620,196.17/8,087.74
  6. Step 6: Final answer
    x = 7,248.03

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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.