Home / 9,760.31-14,643.20-3,921.02

Finding the Fourth Proportional to 9,760.31, 14,643.20 and 3,921.02

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Solution

The fourth proportional to 9,760.31, 14,643.20 and 3,921.02 is: 5,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.31 : 14,643.20 = 3,921.02 : x
  2. Step 2: Convert to fraction form
    9,760.31/14,643.20 = 3,921.02/x
  3. Step 3: Cross multiply
    9,760.31x = 14,643.20 × 3,921.02
  4. Step 4: Simplify right side
    9,760.31x = 57,416,187.24
  5. Step 5: Solve for x
    x = 57,416,187.24/9,760.31
  6. Step 6: Final answer
    x = 5,882.62

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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.