Home / 7,916.64-11,867.13-3,749.33

Finding the Fourth Proportional to 7,916.64, 11,867.13 and 3,749.33

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Solution

The fourth proportional to 7,916.64, 11,867.13 and 3,749.33 is: 5,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.64 : 11,867.13 = 3,749.33 : x
  2. Step 2: Convert to fraction form
    7,916.64/11,867.13 = 3,749.33/x
  3. Step 3: Cross multiply
    7,916.64x = 11,867.13 × 3,749.33
  4. Step 4: Simplify right side
    7,916.64x = 44,493,727.19
  5. Step 5: Solve for x
    x = 44,493,727.19/7,916.64
  6. Step 6: Final answer
    x = 5,620.28

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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.