Home / 10,717.68-14,797.98-6,942.72

Finding the Fourth Proportional to 10,717.68, 14,797.98 and 6,942.72

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Solution

The fourth proportional to 10,717.68, 14,797.98 and 6,942.72 is: 9,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.68 : 14,797.98 = 6,942.72 : x
  2. Step 2: Convert to fraction form
    10,717.68/14,797.98 = 6,942.72/x
  3. Step 3: Cross multiply
    10,717.68x = 14,797.98 × 6,942.72
  4. Step 4: Simplify right side
    10,717.68x = 102,738,231.71
  5. Step 5: Solve for x
    x = 102,738,231.71/10,717.68
  6. Step 6: Final answer
    x = 9,585.86

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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.