Home / 8,583.30-12,877.38-3,319.92

Finding the Fourth Proportional to 8,583.30, 12,877.38 and 3,319.92

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Solution

The fourth proportional to 8,583.30, 12,877.38 and 3,319.92 is: 4,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.30 : 12,877.38 = 3,319.92 : x
  2. Step 2: Convert to fraction form
    8,583.30/12,877.38 = 3,319.92/x
  3. Step 3: Cross multiply
    8,583.30x = 12,877.38 × 3,319.92
  4. Step 4: Simplify right side
    8,583.30x = 42,751,871.41
  5. Step 5: Solve for x
    x = 42,751,871.41/8,583.30
  6. Step 6: Final answer
    x = 4,980.82

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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.