Home / 10,019.25-15,031.35-3,093.75

Finding the Fourth Proportional to 10,019.25, 15,031.35 and 3,093.75

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Solution

The fourth proportional to 10,019.25, 15,031.35 and 3,093.75 is: 4,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.25 : 15,031.35 = 3,093.75 : x
  2. Step 2: Convert to fraction form
    10,019.25/15,031.35 = 3,093.75/x
  3. Step 3: Cross multiply
    10,019.25x = 15,031.35 × 3,093.75
  4. Step 4: Simplify right side
    10,019.25x = 46,503,239.06
  5. Step 5: Solve for x
    x = 46,503,239.06/10,019.25
  6. Step 6: Final answer
    x = 4,641.39

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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.