Home / 10,772.84-16,159.23-2,981.63

Finding the Fourth Proportional to 10,772.84, 16,159.23 and 2,981.63

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Solution

The fourth proportional to 10,772.84, 16,159.23 and 2,981.63 is: 4,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.84 : 16,159.23 = 2,981.63 : x
  2. Step 2: Convert to fraction form
    10,772.84/16,159.23 = 2,981.63/x
  3. Step 3: Cross multiply
    10,772.84x = 16,159.23 × 2,981.63
  4. Step 4: Simplify right side
    10,772.84x = 48,180,764.15
  5. Step 5: Solve for x
    x = 48,180,764.15/10,772.84
  6. Step 6: Final answer
    x = 4,472.43

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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.