Home / 10,286.23-15,408.79-4,731.96

Finding the Fourth Proportional to 10,286.23, 15,408.79 and 4,731.96

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Solution

The fourth proportional to 10,286.23, 15,408.79 and 4,731.96 is: 7,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.23 : 15,408.79 = 4,731.96 : x
  2. Step 2: Convert to fraction form
    10,286.23/15,408.79 = 4,731.96/x
  3. Step 3: Cross multiply
    10,286.23x = 15,408.79 × 4,731.96
  4. Step 4: Simplify right side
    10,286.23x = 72,913,777.93
  5. Step 5: Solve for x
    x = 72,913,777.93/10,286.23
  6. Step 6: Final answer
    x = 7,088.48

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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.