Home / 10,713.24-16,071.39-3,318.36

Finding the Fourth Proportional to 10,713.24, 16,071.39 and 3,318.36

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Solution

The fourth proportional to 10,713.24, 16,071.39 and 3,318.36 is: 4,978.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.24 : 16,071.39 = 3,318.36 : x
  2. Step 2: Convert to fraction form
    10,713.24/16,071.39 = 3,318.36/x
  3. Step 3: Cross multiply
    10,713.24x = 16,071.39 × 3,318.36
  4. Step 4: Simplify right side
    10,713.24x = 53,330,657.72
  5. Step 5: Solve for x
    x = 53,330,657.72/10,713.24
  6. Step 6: Final answer
    x = 4,978.01

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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.