Home / 8,065.40-11,132.04-4,481.59

Finding the Fourth Proportional to 8,065.40, 11,132.04 and 4,481.59

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Solution

The fourth proportional to 8,065.40, 11,132.04 and 4,481.59 is: 6,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.40 : 11,132.04 = 4,481.59 : x
  2. Step 2: Convert to fraction form
    8,065.40/11,132.04 = 4,481.59/x
  3. Step 3: Cross multiply
    8,065.40x = 11,132.04 × 4,481.59
  4. Step 4: Simplify right side
    8,065.40x = 49,889,244.57
  5. Step 5: Solve for x
    x = 49,889,244.57/8,065.40
  6. Step 6: Final answer
    x = 6,185.59

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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.