Home / 8,516.98-11,753.52-4,979.50

Finding the Fourth Proportional to 8,516.98, 11,753.52 and 4,979.50

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Solution

The fourth proportional to 8,516.98, 11,753.52 and 4,979.50 is: 6,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.98 : 11,753.52 = 4,979.50 : x
  2. Step 2: Convert to fraction form
    8,516.98/11,753.52 = 4,979.50/x
  3. Step 3: Cross multiply
    8,516.98x = 11,753.52 × 4,979.50
  4. Step 4: Simplify right side
    8,516.98x = 58,526,652.84
  5. Step 5: Solve for x
    x = 58,526,652.84/8,516.98
  6. Step 6: Final answer
    x = 6,871.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.