Home / 10,937.74-16,409.06-3,145.94

Finding the Fourth Proportional to 10,937.74, 16,409.06 and 3,145.94

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Solution

The fourth proportional to 10,937.74, 16,409.06 and 3,145.94 is: 4,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.74 : 16,409.06 = 3,145.94 : x
  2. Step 2: Convert to fraction form
    10,937.74/16,409.06 = 3,145.94/x
  3. Step 3: Cross multiply
    10,937.74x = 16,409.06 × 3,145.94
  4. Step 4: Simplify right side
    10,937.74x = 51,621,918.22
  5. Step 5: Solve for x
    x = 51,621,918.22/10,937.74
  6. Step 6: Final answer
    x = 4,719.61

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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.