Home / 11,679.14-17,521.67-3,358.98

Finding the Fourth Proportional to 11,679.14, 17,521.67 and 3,358.98

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Solution

The fourth proportional to 11,679.14, 17,521.67 and 3,358.98 is: 5,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.14 : 17,521.67 = 3,358.98 : x
  2. Step 2: Convert to fraction form
    11,679.14/17,521.67 = 3,358.98/x
  3. Step 3: Cross multiply
    11,679.14x = 17,521.67 × 3,358.98
  4. Step 4: Simplify right side
    11,679.14x = 58,854,947.49
  5. Step 5: Solve for x
    x = 58,854,947.49/11,679.14
  6. Step 6: Final answer
    x = 5,039.32

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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.