Home / 11,599.11-17,384.09-8,318.61

Finding the Fourth Proportional to 11,599.11, 17,384.09 and 8,318.61

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Solution

The fourth proportional to 11,599.11, 17,384.09 and 8,318.61 is: 12,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,599.11 : 17,384.09 = 8,318.61 : x
  2. Step 2: Convert to fraction form
    11,599.11/17,384.09 = 8,318.61/x
  3. Step 3: Cross multiply
    11,599.11x = 17,384.09 × 8,318.61
  4. Step 4: Simplify right side
    11,599.11x = 144,611,423.32
  5. Step 5: Solve for x
    x = 144,611,423.32/11,599.11
  6. Step 6: Final answer
    x = 12,467.46

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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.