Home / 10,731.68-16,094.40-4,156.40

Finding the Fourth Proportional to 10,731.68, 16,094.40 and 4,156.40

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Solution

The fourth proportional to 10,731.68, 16,094.40 and 4,156.40 is: 6,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.68 : 16,094.40 = 4,156.40 : x
  2. Step 2: Convert to fraction form
    10,731.68/16,094.40 = 4,156.40/x
  3. Step 3: Cross multiply
    10,731.68x = 16,094.40 × 4,156.40
  4. Step 4: Simplify right side
    10,731.68x = 66,894,764.16
  5. Step 5: Solve for x
    x = 66,894,764.16/10,731.68
  6. Step 6: Final answer
    x = 6,233.39

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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.