Home / 10,787.17-16,183.37-5,520.01

Finding the Fourth Proportional to 10,787.17, 16,183.37 and 5,520.01

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Solution

The fourth proportional to 10,787.17, 16,183.37 and 5,520.01 is: 8,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.17 : 16,183.37 = 5,520.01 : x
  2. Step 2: Convert to fraction form
    10,787.17/16,183.37 = 5,520.01/x
  3. Step 3: Cross multiply
    10,787.17x = 16,183.37 × 5,520.01
  4. Step 4: Simplify right side
    10,787.17x = 89,332,364.23
  5. Step 5: Solve for x
    x = 89,332,364.23/10,787.17
  6. Step 6: Final answer
    x = 8,281.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.