Home / 8,578.15-11,836.88-4,800.79

Finding the Fourth Proportional to 8,578.15, 11,836.88 and 4,800.79

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Solution

The fourth proportional to 8,578.15, 11,836.88 and 4,800.79 is: 6,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.15 : 11,836.88 = 4,800.79 : x
  2. Step 2: Convert to fraction form
    8,578.15/11,836.88 = 4,800.79/x
  3. Step 3: Cross multiply
    8,578.15x = 11,836.88 × 4,800.79
  4. Step 4: Simplify right side
    8,578.15x = 56,826,357.54
  5. Step 5: Solve for x
    x = 56,826,357.54/8,578.15
  6. Step 6: Final answer
    x = 6,624.55

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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.