Home / 11,718.50-16,173.46-6,753.38

Finding the Fourth Proportional to 11,718.50, 16,173.46 and 6,753.38

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Solution

The fourth proportional to 11,718.50, 16,173.46 and 6,753.38 is: 9,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.50 : 16,173.46 = 6,753.38 : x
  2. Step 2: Convert to fraction form
    11,718.50/16,173.46 = 6,753.38/x
  3. Step 3: Cross multiply
    11,718.50x = 16,173.46 × 6,753.38
  4. Step 4: Simplify right side
    11,718.50x = 109,225,521.29
  5. Step 5: Solve for x
    x = 109,225,521.29/11,718.50
  6. Step 6: Final answer
    x = 9,320.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.