Home / 10,443.54-15,660.44-3,869.58

Finding the Fourth Proportional to 10,443.54, 15,660.44 and 3,869.58

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Solution

The fourth proportional to 10,443.54, 15,660.44 and 3,869.58 is: 5,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.54 : 15,660.44 = 3,869.58 : x
  2. Step 2: Convert to fraction form
    10,443.54/15,660.44 = 3,869.58/x
  3. Step 3: Cross multiply
    10,443.54x = 15,660.44 × 3,869.58
  4. Step 4: Simplify right side
    10,443.54x = 60,599,325.42
  5. Step 5: Solve for x
    x = 60,599,325.42/10,443.54
  6. Step 6: Final answer
    x = 5,802.57

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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.