Home / 10,112.14-15,169.76-3,090.52

Finding the Fourth Proportional to 10,112.14, 15,169.76 and 3,090.52

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Solution

The fourth proportional to 10,112.14, 15,169.76 and 3,090.52 is: 4,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.14 : 15,169.76 = 3,090.52 : x
  2. Step 2: Convert to fraction form
    10,112.14/15,169.76 = 3,090.52/x
  3. Step 3: Cross multiply
    10,112.14x = 15,169.76 × 3,090.52
  4. Step 4: Simplify right side
    10,112.14x = 46,882,446.68
  5. Step 5: Solve for x
    x = 46,882,446.68/10,112.14
  6. Step 6: Final answer
    x = 4,636.25

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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.