Home / 12,415.04-18,618.62-4,093.51

Finding the Fourth Proportional to 12,415.04, 18,618.62 and 4,093.51

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Solution

The fourth proportional to 12,415.04, 18,618.62 and 4,093.51 is: 6,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.04 : 18,618.62 = 4,093.51 : x
  2. Step 2: Convert to fraction form
    12,415.04/18,618.62 = 4,093.51/x
  3. Step 3: Cross multiply
    12,415.04x = 18,618.62 × 4,093.51
  4. Step 4: Simplify right side
    12,415.04x = 76,215,440.14
  5. Step 5: Solve for x
    x = 76,215,440.14/12,415.04
  6. Step 6: Final answer
    x = 6,138.96

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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.