Home / 10,040.52-15,060.81-3,115.02

Finding the Fourth Proportional to 10,040.52, 15,060.81 and 3,115.02

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Solution

The fourth proportional to 10,040.52, 15,060.81 and 3,115.02 is: 4,672.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.52 : 15,060.81 = 3,115.02 : x
  2. Step 2: Convert to fraction form
    10,040.52/15,060.81 = 3,115.02/x
  3. Step 3: Cross multiply
    10,040.52x = 15,060.81 × 3,115.02
  4. Step 4: Simplify right side
    10,040.52x = 46,914,724.37
  5. Step 5: Solve for x
    x = 46,914,724.37/10,040.52
  6. Step 6: Final answer
    x = 4,672.54

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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.