Home / 10,581.49-15,874.33-3,185.58

Finding the Fourth Proportional to 10,581.49, 15,874.33 and 3,185.58

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Solution

The fourth proportional to 10,581.49, 15,874.33 and 3,185.58 is: 4,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.49 : 15,874.33 = 3,185.58 : x
  2. Step 2: Convert to fraction form
    10,581.49/15,874.33 = 3,185.58/x
  3. Step 3: Cross multiply
    10,581.49x = 15,874.33 × 3,185.58
  4. Step 4: Simplify right side
    10,581.49x = 50,568,948.16
  5. Step 5: Solve for x
    x = 50,568,948.16/10,581.49
  6. Step 6: Final answer
    x = 4,779.00

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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.