Home / 10,115.71-15,167.22-3,093.40

Finding the Fourth Proportional to 10,115.71, 15,167.22 and 3,093.40

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Solution

The fourth proportional to 10,115.71, 15,167.22 and 3,093.40 is: 4,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.71 : 15,167.22 = 3,093.40 : x
  2. Step 2: Convert to fraction form
    10,115.71/15,167.22 = 3,093.40/x
  3. Step 3: Cross multiply
    10,115.71x = 15,167.22 × 3,093.40
  4. Step 4: Simplify right side
    10,115.71x = 46,918,278.35
  5. Step 5: Solve for x
    x = 46,918,278.35/10,115.71
  6. Step 6: Final answer
    x = 4,638.16

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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.