Home / 11,342.84-17,012.34-8,045.91

Finding the Fourth Proportional to 11,342.84, 17,012.34 and 8,045.91

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Solution

The fourth proportional to 11,342.84, 17,012.34 and 8,045.91 is: 12,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.84 : 17,012.34 = 8,045.91 : x
  2. Step 2: Convert to fraction form
    11,342.84/17,012.34 = 8,045.91/x
  3. Step 3: Cross multiply
    11,342.84x = 17,012.34 × 8,045.91
  4. Step 4: Simplify right side
    11,342.84x = 136,879,756.53
  5. Step 5: Solve for x
    x = 136,879,756.53/11,342.84
  6. Step 6: Final answer
    x = 12,067.51

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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.