Home / 12,463.11-17,198.91-7,159.05

Finding the Fourth Proportional to 12,463.11, 17,198.91 and 7,159.05

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Solution

The fourth proportional to 12,463.11, 17,198.91 and 7,159.05 is: 9,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.11 : 17,198.91 = 7,159.05 : x
  2. Step 2: Convert to fraction form
    12,463.11/17,198.91 = 7,159.05/x
  3. Step 3: Cross multiply
    12,463.11x = 17,198.91 × 7,159.05
  4. Step 4: Simplify right side
    12,463.11x = 123,127,856.64
  5. Step 5: Solve for x
    x = 123,127,856.64/12,463.11
  6. Step 6: Final answer
    x = 9,879.38

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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.