Home / 10,688.94-16,031.81-4,114.26

Finding the Fourth Proportional to 10,688.94, 16,031.81 and 4,114.26

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Solution

The fourth proportional to 10,688.94, 16,031.81 and 4,114.26 is: 6,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.94 : 16,031.81 = 4,114.26 : x
  2. Step 2: Convert to fraction form
    10,688.94/16,031.81 = 4,114.26/x
  3. Step 3: Cross multiply
    10,688.94x = 16,031.81 × 4,114.26
  4. Step 4: Simplify right side
    10,688.94x = 65,959,044.90
  5. Step 5: Solve for x
    x = 65,959,044.90/10,688.94
  6. Step 6: Final answer
    x = 6,170.78

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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.