Home / 10,301.63-15,453.93-3,186.42

Finding the Fourth Proportional to 10,301.63, 15,453.93 and 3,186.42

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Solution

The fourth proportional to 10,301.63, 15,453.93 and 3,186.42 is: 4,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301.63 : 15,453.93 = 3,186.42 : x
  2. Step 2: Convert to fraction form
    10,301.63/15,453.93 = 3,186.42/x
  3. Step 3: Cross multiply
    10,301.63x = 15,453.93 × 3,186.42
  4. Step 4: Simplify right side
    10,301.63x = 49,242,711.63
  5. Step 5: Solve for x
    x = 49,242,711.63/10,301.63
  6. Step 6: Final answer
    x = 4,780.09

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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.