Home / 8,031.75-11,081.07-4,673.28

Finding the Fourth Proportional to 8,031.75, 11,081.07 and 4,673.28

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Solution

The fourth proportional to 8,031.75, 11,081.07 and 4,673.28 is: 6,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.75 : 11,081.07 = 4,673.28 : x
  2. Step 2: Convert to fraction form
    8,031.75/11,081.07 = 4,673.28/x
  3. Step 3: Cross multiply
    8,031.75x = 11,081.07 × 4,673.28
  4. Step 4: Simplify right side
    8,031.75x = 51,784,942.81
  5. Step 5: Solve for x
    x = 51,784,942.81/8,031.75
  6. Step 6: Final answer
    x = 6,447.53

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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.