Home / 8,124.03-12,184.02-3,125.39

Finding the Fourth Proportional to 8,124.03, 12,184.02 and 3,125.39

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Solution

The fourth proportional to 8,124.03, 12,184.02 and 3,125.39 is: 4,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.03 : 12,184.02 = 3,125.39 : x
  2. Step 2: Convert to fraction form
    8,124.03/12,184.02 = 3,125.39/x
  3. Step 3: Cross multiply
    8,124.03x = 12,184.02 × 3,125.39
  4. Step 4: Simplify right side
    8,124.03x = 38,079,753.35
  5. Step 5: Solve for x
    x = 38,079,753.35/8,124.03
  6. Step 6: Final answer
    x = 4,687.30

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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.