Home / 10,583.40-15,869.97-3,186.48

Finding the Fourth Proportional to 10,583.40, 15,869.97 and 3,186.48

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Solution

The fourth proportional to 10,583.40, 15,869.97 and 3,186.48 is: 4,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583.40 : 15,869.97 = 3,186.48 : x
  2. Step 2: Convert to fraction form
    10,583.40/15,869.97 = 3,186.48/x
  3. Step 3: Cross multiply
    10,583.40x = 15,869.97 × 3,186.48
  4. Step 4: Simplify right side
    10,583.40x = 50,569,342.01
  5. Step 5: Solve for x
    x = 50,569,342.01/10,583.40
  6. Step 6: Final answer
    x = 4,778.18

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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.