Home / 6,342.24-9,516.78-3,009.72

Finding the Fourth Proportional to 6,342.24, 9,516.78 and 3,009.72

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Solution

The fourth proportional to 6,342.24, 9,516.78 and 3,009.72 is: 4,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.24 : 9,516.78 = 3,009.72 : x
  2. Step 2: Convert to fraction form
    6,342.24/9,516.78 = 3,009.72/x
  3. Step 3: Cross multiply
    6,342.24x = 9,516.78 × 3,009.72
  4. Step 4: Simplify right side
    6,342.24x = 28,642,843.10
  5. Step 5: Solve for x
    x = 28,642,843.10/6,342.24
  6. Step 6: Final answer
    x = 4,516.20

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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.