Home / 7,896.16-11,844.29-5,423.48

Finding the Fourth Proportional to 7,896.16, 11,844.29 and 5,423.48

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Solution

The fourth proportional to 7,896.16, 11,844.29 and 5,423.48 is: 8,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.16 : 11,844.29 = 5,423.48 : x
  2. Step 2: Convert to fraction form
    7,896.16/11,844.29 = 5,423.48/x
  3. Step 3: Cross multiply
    7,896.16x = 11,844.29 × 5,423.48
  4. Step 4: Simplify right side
    7,896.16x = 64,237,268.68
  5. Step 5: Solve for x
    x = 64,237,268.68/7,896.16
  6. Step 6: Final answer
    x = 8,135.25

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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.