Home / 10,081.79-15,127.02-3,504.39

Finding the Fourth Proportional to 10,081.79, 15,127.02 and 3,504.39

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Solution

The fourth proportional to 10,081.79, 15,127.02 and 3,504.39 is: 5,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.79 : 15,127.02 = 3,504.39 : x
  2. Step 2: Convert to fraction form
    10,081.79/15,127.02 = 3,504.39/x
  3. Step 3: Cross multiply
    10,081.79x = 15,127.02 × 3,504.39
  4. Step 4: Simplify right side
    10,081.79x = 53,010,977.62
  5. Step 5: Solve for x
    x = 53,010,977.62/10,081.79
  6. Step 6: Final answer
    x = 5,258.09

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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.