Home / 7,406.29-11,113.92-3,246.54

Finding the Fourth Proportional to 7,406.29, 11,113.92 and 3,246.54

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Solution

The fourth proportional to 7,406.29, 11,113.92 and 3,246.54 is: 4,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.29 : 11,113.92 = 3,246.54 : x
  2. Step 2: Convert to fraction form
    7,406.29/11,113.92 = 3,246.54/x
  3. Step 3: Cross multiply
    7,406.29x = 11,113.92 × 3,246.54
  4. Step 4: Simplify right side
    7,406.29x = 36,081,714.03
  5. Step 5: Solve for x
    x = 36,081,714.03/7,406.29
  6. Step 6: Final answer
    x = 4,871.77

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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.