Home / 10,711.06-14,786.31-7,176.58

Finding the Fourth Proportional to 10,711.06, 14,786.31 and 7,176.58

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Solution

The fourth proportional to 10,711.06, 14,786.31 and 7,176.58 is: 9,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.06 : 14,786.31 = 7,176.58 : x
  2. Step 2: Convert to fraction form
    10,711.06/14,786.31 = 7,176.58/x
  3. Step 3: Cross multiply
    10,711.06x = 14,786.31 × 7,176.58
  4. Step 4: Simplify right side
    10,711.06x = 106,115,136.62
  5. Step 5: Solve for x
    x = 106,115,136.62/10,711.06
  6. Step 6: Final answer
    x = 9,907.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.