Home / 8,176.17-11,285.28-4,821.22

Finding the Fourth Proportional to 8,176.17, 11,285.28 and 4,821.22

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Solution

The fourth proportional to 8,176.17, 11,285.28 and 4,821.22 is: 6,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.17 : 11,285.28 = 4,821.22 : x
  2. Step 2: Convert to fraction form
    8,176.17/11,285.28 = 4,821.22/x
  3. Step 3: Cross multiply
    8,176.17x = 11,285.28 × 4,821.22
  4. Step 4: Simplify right side
    8,176.17x = 54,408,817.64
  5. Step 5: Solve for x
    x = 54,408,817.64/8,176.17
  6. Step 6: Final answer
    x = 6,654.56

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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.