Home / 11,718.04-16,170.89-6,412.85

Finding the Fourth Proportional to 11,718.04, 16,170.89 and 6,412.85

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Solution

The fourth proportional to 11,718.04, 16,170.89 and 6,412.85 is: 8,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.04 : 16,170.89 = 6,412.85 : x
  2. Step 2: Convert to fraction form
    11,718.04/16,170.89 = 6,412.85/x
  3. Step 3: Cross multiply
    11,718.04x = 16,170.89 × 6,412.85
  4. Step 4: Simplify right side
    11,718.04x = 103,701,500.30
  5. Step 5: Solve for x
    x = 103,701,500.30/11,718.04
  6. Step 6: Final answer
    x = 8,849.73

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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.