Home / 10,159.48-15,233.63-3,137.56

Finding the Fourth Proportional to 10,159.48, 15,233.63 and 3,137.56

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Solution

The fourth proportional to 10,159.48, 15,233.63 and 3,137.56 is: 4,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.48 : 15,233.63 = 3,137.56 : x
  2. Step 2: Convert to fraction form
    10,159.48/15,233.63 = 3,137.56/x
  3. Step 3: Cross multiply
    10,159.48x = 15,233.63 × 3,137.56
  4. Step 4: Simplify right side
    10,159.48x = 47,796,428.14
  5. Step 5: Solve for x
    x = 47,796,428.14/10,159.48
  6. Step 6: Final answer
    x = 4,704.61

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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.