Home / 10,918.31-16,377.47-2,710.31

Finding the Fourth Proportional to 10,918.31, 16,377.47 and 2,710.31

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Solution

The fourth proportional to 10,918.31, 16,377.47 and 2,710.31 is: 4,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.31 : 16,377.47 = 2,710.31 : x
  2. Step 2: Convert to fraction form
    10,918.31/16,377.47 = 2,710.31/x
  3. Step 3: Cross multiply
    10,918.31x = 16,377.47 × 2,710.31
  4. Step 4: Simplify right side
    10,918.31x = 44,388,068.44
  5. Step 5: Solve for x
    x = 44,388,068.44/10,918.31
  6. Step 6: Final answer
    x = 4,065.47

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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.