Home / 8,821.16-12,171.30-5,093

Finding the Fourth Proportional to 8,821.16, 12,171.30 and 5,093

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Solution

The fourth proportional to 8,821.16, 12,171.30 and 5,093 is: 7,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.16 : 12,171.30 = 5,093 : x
  2. Step 2: Convert to fraction form
    8,821.16/12,171.30 = 5,093/x
  3. Step 3: Cross multiply
    8,821.16x = 12,171.30 × 5,093
  4. Step 4: Simplify right side
    8,821.16x = 61,988,430.90
  5. Step 5: Solve for x
    x = 61,988,430.90/8,821.16
  6. Step 6: Final answer
    x = 7,027.24

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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.