Home / 10,772.70-16,159.31-2,981.58

Finding the Fourth Proportional to 10,772.70, 16,159.31 and 2,981.58

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Solution

The fourth proportional to 10,772.70, 16,159.31 and 2,981.58 is: 4,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.70 : 16,159.31 = 2,981.58 : x
  2. Step 2: Convert to fraction form
    10,772.70/16,159.31 = 2,981.58/x
  3. Step 3: Cross multiply
    10,772.70x = 16,159.31 × 2,981.58
  4. Step 4: Simplify right side
    10,772.70x = 48,180,275.51
  5. Step 5: Solve for x
    x = 48,180,275.51/10,772.70
  6. Step 6: Final answer
    x = 4,472.44

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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.