Home / 11,629.20-17,451-4,703.76

Finding the Fourth Proportional to 11,629.20, 17,451 and 4,703.76

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Solution

The fourth proportional to 11,629.20, 17,451 and 4,703.76 is: 7,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,629.20 : 17,451 = 4,703.76 : x
  2. Step 2: Convert to fraction form
    11,629.20/17,451 = 4,703.76/x
  3. Step 3: Cross multiply
    11,629.20x = 17,451 × 4,703.76
  4. Step 4: Simplify right side
    11,629.20x = 82,085,315.76
  5. Step 5: Solve for x
    x = 82,085,315.76/11,629.20
  6. Step 6: Final answer
    x = 7,058.55

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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.