Home / 8,821.53-12,174.17-4,842.81

Finding the Fourth Proportional to 8,821.53, 12,174.17 and 4,842.81

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Solution

The fourth proportional to 8,821.53, 12,174.17 and 4,842.81 is: 6,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.53 : 12,174.17 = 4,842.81 : x
  2. Step 2: Convert to fraction form
    8,821.53/12,174.17 = 4,842.81/x
  3. Step 3: Cross multiply
    8,821.53x = 12,174.17 × 4,842.81
  4. Step 4: Simplify right side
    8,821.53x = 58,957,168.00
  5. Step 5: Solve for x
    x = 58,957,168.00/8,821.53
  6. Step 6: Final answer
    x = 6,683.33

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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.