Home / 12,493.77-18,740.66-3,734.84

Finding the Fourth Proportional to 12,493.77, 18,740.66 and 3,734.84

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Solution

The fourth proportional to 12,493.77, 18,740.66 and 3,734.84 is: 5,602.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.77 : 18,740.66 = 3,734.84 : x
  2. Step 2: Convert to fraction form
    12,493.77/18,740.66 = 3,734.84/x
  3. Step 3: Cross multiply
    12,493.77x = 18,740.66 × 3,734.84
  4. Step 4: Simplify right side
    12,493.77x = 69,993,366.59
  5. Step 5: Solve for x
    x = 69,993,366.59/12,493.77
  6. Step 6: Final answer
    x = 5,602.26

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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.