Home / 10,040.25-15,060.51-3,114.75

Finding the Fourth Proportional to 10,040.25, 15,060.51 and 3,114.75

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Solution

The fourth proportional to 10,040.25, 15,060.51 and 3,114.75 is: 4,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.25 : 15,060.51 = 3,114.75 : x
  2. Step 2: Convert to fraction form
    10,040.25/15,060.51 = 3,114.75/x
  3. Step 3: Cross multiply
    10,040.25x = 15,060.51 × 3,114.75
  4. Step 4: Simplify right side
    10,040.25x = 46,909,723.52
  5. Step 5: Solve for x
    x = 46,909,723.52/10,040.25
  6. Step 6: Final answer
    x = 4,672.17

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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.