Home / 10,787.17-16,180.76-3,392.28

Finding the Fourth Proportional to 10,787.17, 16,180.76 and 3,392.28

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Solution

The fourth proportional to 10,787.17, 16,180.76 and 3,392.28 is: 5,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.17 : 16,180.76 = 3,392.28 : x
  2. Step 2: Convert to fraction form
    10,787.17/16,180.76 = 3,392.28/x
  3. Step 3: Cross multiply
    10,787.17x = 16,180.76 × 3,392.28
  4. Step 4: Simplify right side
    10,787.17x = 54,889,570.67
  5. Step 5: Solve for x
    x = 54,889,570.67/10,787.17
  6. Step 6: Final answer
    x = 5,088.41

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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.