Home / 10,717.91-16,073.75-4,142.56

Finding the Fourth Proportional to 10,717.91, 16,073.75 and 4,142.56

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Solution

The fourth proportional to 10,717.91, 16,073.75 and 4,142.56 is: 6,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.91 : 16,073.75 = 4,142.56 : x
  2. Step 2: Convert to fraction form
    10,717.91/16,073.75 = 4,142.56/x
  3. Step 3: Cross multiply
    10,717.91x = 16,073.75 × 4,142.56
  4. Step 4: Simplify right side
    10,717.91x = 66,586,473.80
  5. Step 5: Solve for x
    x = 66,586,473.80/10,717.91
  6. Step 6: Final answer
    x = 6,212.64

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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.