Home / 8,729.30-12,046.59-4,750.41

Finding the Fourth Proportional to 8,729.30, 12,046.59 and 4,750.41

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Solution

The fourth proportional to 8,729.30, 12,046.59 and 4,750.41 is: 6,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.30 : 12,046.59 = 4,750.41 : x
  2. Step 2: Convert to fraction form
    8,729.30/12,046.59 = 4,750.41/x
  3. Step 3: Cross multiply
    8,729.30x = 12,046.59 × 4,750.41
  4. Step 4: Simplify right side
    8,729.30x = 57,226,286.78
  5. Step 5: Solve for x
    x = 57,226,286.78/8,729.30
  6. Step 6: Final answer
    x = 6,555.65

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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.