Home / 8,317.36-12,476.02-3,385.83

Finding the Fourth Proportional to 8,317.36, 12,476.02 and 3,385.83

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Solution

The fourth proportional to 8,317.36, 12,476.02 and 3,385.83 is: 5,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.36 : 12,476.02 = 3,385.83 : x
  2. Step 2: Convert to fraction form
    8,317.36/12,476.02 = 3,385.83/x
  3. Step 3: Cross multiply
    8,317.36x = 12,476.02 × 3,385.83
  4. Step 4: Simplify right side
    8,317.36x = 42,241,682.80
  5. Step 5: Solve for x
    x = 42,241,682.80/8,317.36
  6. Step 6: Final answer
    x = 5,078.74

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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.