Home / 11,716.13-17,562.91-4,316.55

Finding the Fourth Proportional to 11,716.13, 17,562.91 and 4,316.55

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Solution

The fourth proportional to 11,716.13, 17,562.91 and 4,316.55 is: 6,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.13 : 17,562.91 = 4,316.55 : x
  2. Step 2: Convert to fraction form
    11,716.13/17,562.91 = 4,316.55/x
  3. Step 3: Cross multiply
    11,716.13x = 17,562.91 × 4,316.55
  4. Step 4: Simplify right side
    11,716.13x = 75,811,179.16
  5. Step 5: Solve for x
    x = 75,811,179.16/11,716.13
  6. Step 6: Final answer
    x = 6,470.67

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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.