Home / 8,729.33-12,046.74-4,750.73

Finding the Fourth Proportional to 8,729.33, 12,046.74 and 4,750.73

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Solution

The fourth proportional to 8,729.33, 12,046.74 and 4,750.73 is: 6,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.33 : 12,046.74 = 4,750.73 : x
  2. Step 2: Convert to fraction form
    8,729.33/12,046.74 = 4,750.73/x
  3. Step 3: Cross multiply
    8,729.33x = 12,046.74 × 4,750.73
  4. Step 4: Simplify right side
    8,729.33x = 57,230,809.12
  5. Step 5: Solve for x
    x = 57,230,809.12/8,729.33
  6. Step 6: Final answer
    x = 6,556.15

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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.