Home / 8,785.23-13,175.78-3,235.56

Finding the Fourth Proportional to 8,785.23, 13,175.78 and 3,235.56

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Solution

The fourth proportional to 8,785.23, 13,175.78 and 3,235.56 is: 4,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.23 : 13,175.78 = 3,235.56 : x
  2. Step 2: Convert to fraction form
    8,785.23/13,175.78 = 3,235.56/x
  3. Step 3: Cross multiply
    8,785.23x = 13,175.78 × 3,235.56
  4. Step 4: Simplify right side
    8,785.23x = 42,631,010.56
  5. Step 5: Solve for x
    x = 42,631,010.56/8,785.23
  6. Step 6: Final answer
    x = 4,852.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.