Home / 10,772.70-16,159.02-3,377.19

Finding the Fourth Proportional to 10,772.70, 16,159.02 and 3,377.19

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Solution

The fourth proportional to 10,772.70, 16,159.02 and 3,377.19 is: 5,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.70 : 16,159.02 = 3,377.19 : x
  2. Step 2: Convert to fraction form
    10,772.70/16,159.02 = 3,377.19/x
  3. Step 3: Cross multiply
    10,772.70x = 16,159.02 × 3,377.19
  4. Step 4: Simplify right side
    10,772.70x = 54,572,080.75
  5. Step 5: Solve for x
    x = 54,572,080.75/10,772.70
  6. Step 6: Final answer
    x = 5,065.78

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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.