Home / 12,785.58-17,649.56-8,596.26

Finding the Fourth Proportional to 12,785.58, 17,649.56 and 8,596.26

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Solution

The fourth proportional to 12,785.58, 17,649.56 and 8,596.26 is: 11,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.58 : 17,649.56 = 8,596.26 : x
  2. Step 2: Convert to fraction form
    12,785.58/17,649.56 = 8,596.26/x
  3. Step 3: Cross multiply
    12,785.58x = 17,649.56 × 8,596.26
  4. Step 4: Simplify right side
    12,785.58x = 151,720,206.65
  5. Step 5: Solve for x
    x = 151,720,206.65/12,785.58
  6. Step 6: Final answer
    x = 11,866.51

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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.