Home / 12,750.06-19,132.58-5,353.95

Finding the Fourth Proportional to 12,750.06, 19,132.58 and 5,353.95

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Solution

The fourth proportional to 12,750.06, 19,132.58 and 5,353.95 is: 8,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.06 : 19,132.58 = 5,353.95 : x
  2. Step 2: Convert to fraction form
    12,750.06/19,132.58 = 5,353.95/x
  3. Step 3: Cross multiply
    12,750.06x = 19,132.58 × 5,353.95
  4. Step 4: Simplify right side
    12,750.06x = 102,434,876.69
  5. Step 5: Solve for x
    x = 102,434,876.69/12,750.06
  6. Step 6: Final answer
    x = 8,034.07

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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.