Home / 8,305.13-12,458.61-3,374.81

Finding the Fourth Proportional to 8,305.13, 12,458.61 and 3,374.81

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Solution

The fourth proportional to 8,305.13, 12,458.61 and 3,374.81 is: 5,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.13 : 12,458.61 = 3,374.81 : x
  2. Step 2: Convert to fraction form
    8,305.13/12,458.61 = 3,374.81/x
  3. Step 3: Cross multiply
    8,305.13x = 12,458.61 × 3,374.81
  4. Step 4: Simplify right side
    8,305.13x = 42,045,496.12
  5. Step 5: Solve for x
    x = 42,045,496.12/8,305.13
  6. Step 6: Final answer
    x = 5,062.59

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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.