Home / 11,210.11-15,469.81-6,494.83

Finding the Fourth Proportional to 11,210.11, 15,469.81 and 6,494.83

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Solution

The fourth proportional to 11,210.11, 15,469.81 and 6,494.83 is: 8,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.11 : 15,469.81 = 6,494.83 : x
  2. Step 2: Convert to fraction form
    11,210.11/15,469.81 = 6,494.83/x
  3. Step 3: Cross multiply
    11,210.11x = 15,469.81 × 6,494.83
  4. Step 4: Simplify right side
    11,210.11x = 100,473,731.17
  5. Step 5: Solve for x
    x = 100,473,731.17/11,210.11
  6. Step 6: Final answer
    x = 8,962.78

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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.