Home / 11,992.05-17,989.29-4,602.69

Finding the Fourth Proportional to 11,992.05, 17,989.29 and 4,602.69

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Solution

The fourth proportional to 11,992.05, 17,989.29 and 4,602.69 is: 6,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.05 : 17,989.29 = 4,602.69 : x
  2. Step 2: Convert to fraction form
    11,992.05/17,989.29 = 4,602.69/x
  3. Step 3: Cross multiply
    11,992.05x = 17,989.29 × 4,602.69
  4. Step 4: Simplify right side
    11,992.05x = 82,799,125.19
  5. Step 5: Solve for x
    x = 82,799,125.19/11,992.05
  6. Step 6: Final answer
    x = 6,904.50

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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.