Home / 11,487.69-17,232.75-4,092.84

Finding the Fourth Proportional to 11,487.69, 17,232.75 and 4,092.84

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Solution

The fourth proportional to 11,487.69, 17,232.75 and 4,092.84 is: 6,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.69 : 17,232.75 = 4,092.84 : x
  2. Step 2: Convert to fraction form
    11,487.69/17,232.75 = 4,092.84/x
  3. Step 3: Cross multiply
    11,487.69x = 17,232.75 × 4,092.84
  4. Step 4: Simplify right side
    11,487.69x = 70,530,888.51
  5. Step 5: Solve for x
    x = 70,530,888.51/11,487.69
  6. Step 6: Final answer
    x = 6,139.69

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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.