Home / 7,929.64-11,896.29-2,383.10

Finding the Fourth Proportional to 7,929.64, 11,896.29 and 2,383.10

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Solution

The fourth proportional to 7,929.64, 11,896.29 and 2,383.10 is: 3,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.64 : 11,896.29 = 2,383.10 : x
  2. Step 2: Convert to fraction form
    7,929.64/11,896.29 = 2,383.10/x
  3. Step 3: Cross multiply
    7,929.64x = 11,896.29 × 2,383.10
  4. Step 4: Simplify right side
    7,929.64x = 28,350,048.70
  5. Step 5: Solve for x
    x = 28,350,048.70/7,929.64
  6. Step 6: Final answer
    x = 3,575.20

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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.