Home / 10,914.51-16,379.91-7,396.17

Finding the Fourth Proportional to 10,914.51, 16,379.91 and 7,396.17

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Solution

The fourth proportional to 10,914.51, 16,379.91 and 7,396.17 is: 11,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.51 : 16,379.91 = 7,396.17 : x
  2. Step 2: Convert to fraction form
    10,914.51/16,379.91 = 7,396.17/x
  3. Step 3: Cross multiply
    10,914.51x = 16,379.91 × 7,396.17
  4. Step 4: Simplify right side
    10,914.51x = 121,148,598.94
  5. Step 5: Solve for x
    x = 121,148,598.94/10,914.51
  6. Step 6: Final answer
    x = 11,099.77

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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.