Home / 7,981.38-11,014.20-4,444.56

Finding the Fourth Proportional to 7,981.38, 11,014.20 and 4,444.56

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Solution

The fourth proportional to 7,981.38, 11,014.20 and 4,444.56 is: 6,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.38 : 11,014.20 = 4,444.56 : x
  2. Step 2: Convert to fraction form
    7,981.38/11,014.20 = 4,444.56/x
  3. Step 3: Cross multiply
    7,981.38x = 11,014.20 × 4,444.56
  4. Step 4: Simplify right side
    7,981.38x = 48,953,272.75
  5. Step 5: Solve for x
    x = 48,953,272.75/7,981.38
  6. Step 6: Final answer
    x = 6,133.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.