Home / 9,516.66-13,131.81-5,323.86

Finding the Fourth Proportional to 9,516.66, 13,131.81 and 5,323.86

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Solution

The fourth proportional to 9,516.66, 13,131.81 and 5,323.86 is: 7,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,516.66 : 13,131.81 = 5,323.86 : x
  2. Step 2: Convert to fraction form
    9,516.66/13,131.81 = 5,323.86/x
  3. Step 3: Cross multiply
    9,516.66x = 13,131.81 × 5,323.86
  4. Step 4: Simplify right side
    9,516.66x = 69,911,917.99
  5. Step 5: Solve for x
    x = 69,911,917.99/9,516.66
  6. Step 6: Final answer
    x = 7,346.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.