Home / 10,464.28-15,682.19-5,777.31

Finding the Fourth Proportional to 10,464.28, 15,682.19 and 5,777.31

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Solution

The fourth proportional to 10,464.28, 15,682.19 and 5,777.31 is: 8,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.28 : 15,682.19 = 5,777.31 : x
  2. Step 2: Convert to fraction form
    10,464.28/15,682.19 = 5,777.31/x
  3. Step 3: Cross multiply
    10,464.28x = 15,682.19 × 5,777.31
  4. Step 4: Simplify right side
    10,464.28x = 90,600,873.11
  5. Step 5: Solve for x
    x = 90,600,873.11/10,464.28
  6. Step 6: Final answer
    x = 8,658.11

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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.