Home / 10,308.88-15,464.28-3,384.08

Finding the Fourth Proportional to 10,308.88, 15,464.28 and 3,384.08

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Solution

The fourth proportional to 10,308.88, 15,464.28 and 3,384.08 is: 5,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.88 : 15,464.28 = 3,384.08 : x
  2. Step 2: Convert to fraction form
    10,308.88/15,464.28 = 3,384.08/x
  3. Step 3: Cross multiply
    10,308.88x = 15,464.28 × 3,384.08
  4. Step 4: Simplify right side
    10,308.88x = 52,332,360.66
  5. Step 5: Solve for x
    x = 52,332,360.66/10,308.88
  6. Step 6: Final answer
    x = 5,076.44

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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.