Home / 10,534.83-15,800.49-3,519.69

Finding the Fourth Proportional to 10,534.83, 15,800.49 and 3,519.69

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Solution

The fourth proportional to 10,534.83, 15,800.49 and 3,519.69 is: 5,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.83 : 15,800.49 = 3,519.69 : x
  2. Step 2: Convert to fraction form
    10,534.83/15,800.49 = 3,519.69/x
  3. Step 3: Cross multiply
    10,534.83x = 15,800.49 × 3,519.69
  4. Step 4: Simplify right side
    10,534.83x = 55,612,826.65
  5. Step 5: Solve for x
    x = 55,612,826.65/10,534.83
  6. Step 6: Final answer
    x = 5,278.95

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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.