Home / 10,286.14-15,429.06-2,495.02

Finding the Fourth Proportional to 10,286.14, 15,429.06 and 2,495.02

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Solution

The fourth proportional to 10,286.14, 15,429.06 and 2,495.02 is: 3,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.14 : 15,429.06 = 2,495.02 : x
  2. Step 2: Convert to fraction form
    10,286.14/15,429.06 = 2,495.02/x
  3. Step 3: Cross multiply
    10,286.14x = 15,429.06 × 2,495.02
  4. Step 4: Simplify right side
    10,286.14x = 38,495,813.28
  5. Step 5: Solve for x
    x = 38,495,813.28/10,286.14
  6. Step 6: Final answer
    x = 3,742.49

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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.