Home / 8,200.72-11,318.70-5,060.08

Finding the Fourth Proportional to 8,200.72, 11,318.70 and 5,060.08

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Solution

The fourth proportional to 8,200.72, 11,318.70 and 5,060.08 is: 6,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.72 : 11,318.70 = 5,060.08 : x
  2. Step 2: Convert to fraction form
    8,200.72/11,318.70 = 5,060.08/x
  3. Step 3: Cross multiply
    8,200.72x = 11,318.70 × 5,060.08
  4. Step 4: Simplify right side
    8,200.72x = 57,273,527.50
  5. Step 5: Solve for x
    x = 57,273,527.50/8,200.72
  6. Step 6: Final answer
    x = 6,983.96

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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.