Home / 12,102.66-18,154.08-3,337.38

Finding the Fourth Proportional to 12,102.66, 18,154.08 and 3,337.38

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Solution

The fourth proportional to 12,102.66, 18,154.08 and 3,337.38 is: 5,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102.66 : 18,154.08 = 3,337.38 : x
  2. Step 2: Convert to fraction form
    12,102.66/18,154.08 = 3,337.38/x
  3. Step 3: Cross multiply
    12,102.66x = 18,154.08 × 3,337.38
  4. Step 4: Simplify right side
    12,102.66x = 60,587,063.51
  5. Step 5: Solve for x
    x = 60,587,063.51/12,102.66
  6. Step 6: Final answer
    x = 5,006.09

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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.