Home / 12,440.16-18,670.23-6,199.92

Finding the Fourth Proportional to 12,440.16, 18,670.23 and 6,199.92

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Solution

The fourth proportional to 12,440.16, 18,670.23 and 6,199.92 is: 9,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.16 : 18,670.23 = 6,199.92 : x
  2. Step 2: Convert to fraction form
    12,440.16/18,670.23 = 6,199.92/x
  3. Step 3: Cross multiply
    12,440.16x = 18,670.23 × 6,199.92
  4. Step 4: Simplify right side
    12,440.16x = 115,753,932.38
  5. Step 5: Solve for x
    x = 115,753,932.38/12,440.16
  6. Step 6: Final answer
    x = 9,304.86

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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.