Home / 8,200.89-11,318.47-5,972.90

Finding the Fourth Proportional to 8,200.89, 11,318.47 and 5,972.90

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Solution

The fourth proportional to 8,200.89, 11,318.47 and 5,972.90 is: 8,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.89 : 11,318.47 = 5,972.90 : x
  2. Step 2: Convert to fraction form
    8,200.89/11,318.47 = 5,972.90/x
  3. Step 3: Cross multiply
    8,200.89x = 11,318.47 × 5,972.90
  4. Step 4: Simplify right side
    8,200.89x = 67,604,017.94
  5. Step 5: Solve for x
    x = 67,604,017.94/8,200.89
  6. Step 6: Final answer
    x = 8,243.50

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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.