Home / 8,821.46-12,173.87-4,842.83

Finding the Fourth Proportional to 8,821.46, 12,173.87 and 4,842.83

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Solution

The fourth proportional to 8,821.46, 12,173.87 and 4,842.83 is: 6,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.46 : 12,173.87 = 4,842.83 : x
  2. Step 2: Convert to fraction form
    8,821.46/12,173.87 = 4,842.83/x
  3. Step 3: Cross multiply
    8,821.46x = 12,173.87 × 4,842.83
  4. Step 4: Simplify right side
    8,821.46x = 58,955,982.85
  5. Step 5: Solve for x
    x = 58,955,982.85/8,821.46
  6. Step 6: Final answer
    x = 6,683.25

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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.