Home / 8,077.88-11,150.32-5,955.88

Finding the Fourth Proportional to 8,077.88, 11,150.32 and 5,955.88

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Solution

The fourth proportional to 8,077.88, 11,150.32 and 5,955.88 is: 8,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.88 : 11,150.32 = 5,955.88 : x
  2. Step 2: Convert to fraction form
    8,077.88/11,150.32 = 5,955.88/x
  3. Step 3: Cross multiply
    8,077.88x = 11,150.32 × 5,955.88
  4. Step 4: Simplify right side
    8,077.88x = 66,409,967.88
  5. Step 5: Solve for x
    x = 66,409,967.88/8,077.88
  6. Step 6: Final answer
    x = 8,221.21

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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.