Home / 8,271.11-12,407.45-2,724.47

Finding the Fourth Proportional to 8,271.11, 12,407.45 and 2,724.47

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Solution

The fourth proportional to 8,271.11, 12,407.45 and 2,724.47 is: 4,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.11 : 12,407.45 = 2,724.47 : x
  2. Step 2: Convert to fraction form
    8,271.11/12,407.45 = 2,724.47/x
  3. Step 3: Cross multiply
    8,271.11x = 12,407.45 × 2,724.47
  4. Step 4: Simplify right side
    8,271.11x = 33,803,725.30
  5. Step 5: Solve for x
    x = 33,803,725.30/8,271.11
  6. Step 6: Final answer
    x = 4,086.96

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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.