Home / 10,689.96-16,035.12-4,116.48

Finding the Fourth Proportional to 10,689.96, 16,035.12 and 4,116.48

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Solution

The fourth proportional to 10,689.96, 16,035.12 and 4,116.48 is: 6,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,689.96 : 16,035.12 = 4,116.48 : x
  2. Step 2: Convert to fraction form
    10,689.96/16,035.12 = 4,116.48/x
  3. Step 3: Cross multiply
    10,689.96x = 16,035.12 × 4,116.48
  4. Step 4: Simplify right side
    10,689.96x = 66,008,250.78
  5. Step 5: Solve for x
    x = 66,008,250.78/10,689.96
  6. Step 6: Final answer
    x = 6,174.79

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1.5x scale

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.