Home / 12,550.03-17,320.41-8,016.88

Finding the Fourth Proportional to 12,550.03, 17,320.41 and 8,016.88

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Solution

The fourth proportional to 12,550.03, 17,320.41 and 8,016.88 is: 11,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.03 : 17,320.41 = 8,016.88 : x
  2. Step 2: Convert to fraction form
    12,550.03/17,320.41 = 8,016.88/x
  3. Step 3: Cross multiply
    12,550.03x = 17,320.41 × 8,016.88
  4. Step 4: Simplify right side
    12,550.03x = 138,855,651.74
  5. Step 5: Solve for x
    x = 138,855,651.74/12,550.03
  6. Step 6: Final answer
    x = 11,064.17

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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.