Home / 12,287.86-18,418.40-6,035.46

Finding the Fourth Proportional to 12,287.86, 18,418.40 and 6,035.46

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Solution

The fourth proportional to 12,287.86, 18,418.40 and 6,035.46 is: 9,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.86 : 18,418.40 = 6,035.46 : x
  2. Step 2: Convert to fraction form
    12,287.86/18,418.40 = 6,035.46/x
  3. Step 3: Cross multiply
    12,287.86x = 18,418.40 × 6,035.46
  4. Step 4: Simplify right side
    12,287.86x = 111,163,516.46
  5. Step 5: Solve for x
    x = 111,163,516.46/12,287.86
  6. Step 6: Final answer
    x = 9,046.61

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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.