Home / 11,225.76-16,839.30-3,434.64

Finding the Fourth Proportional to 11,225.76, 16,839.30 and 3,434.64

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Solution

The fourth proportional to 11,225.76, 16,839.30 and 3,434.64 is: 5,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.76 : 16,839.30 = 3,434.64 : x
  2. Step 2: Convert to fraction form
    11,225.76/16,839.30 = 3,434.64/x
  3. Step 3: Cross multiply
    11,225.76x = 16,839.30 × 3,434.64
  4. Step 4: Simplify right side
    11,225.76x = 57,836,933.35
  5. Step 5: Solve for x
    x = 57,836,933.35/11,225.76
  6. Step 6: Final answer
    x = 5,152.16

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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.