Home / 10,553.99-15,821.67-3,975.58

Finding the Fourth Proportional to 10,553.99, 15,821.67 and 3,975.58

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Solution

The fourth proportional to 10,553.99, 15,821.67 and 3,975.58 is: 5,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.99 : 15,821.67 = 3,975.58 : x
  2. Step 2: Convert to fraction form
    10,553.99/15,821.67 = 3,975.58/x
  3. Step 3: Cross multiply
    10,553.99x = 15,821.67 × 3,975.58
  4. Step 4: Simplify right side
    10,553.99x = 62,900,235.71
  5. Step 5: Solve for x
    x = 62,900,235.71/10,553.99
  6. Step 6: Final answer
    x = 5,959.85

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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.