Home / 8,235.14-11,364.71-4,878.70

Finding the Fourth Proportional to 8,235.14, 11,364.71 and 4,878.70

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Solution

The fourth proportional to 8,235.14, 11,364.71 and 4,878.70 is: 6,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.14 : 11,364.71 = 4,878.70 : x
  2. Step 2: Convert to fraction form
    8,235.14/11,364.71 = 4,878.70/x
  3. Step 3: Cross multiply
    8,235.14x = 11,364.71 × 4,878.70
  4. Step 4: Simplify right side
    8,235.14x = 55,444,957.87
  5. Step 5: Solve for x
    x = 55,444,957.87/8,235.14
  6. Step 6: Final answer
    x = 6,732.73

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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.