Home / 10,968.44-16,444.98-5,121.56

Finding the Fourth Proportional to 10,968.44, 16,444.98 and 5,121.56

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Solution

The fourth proportional to 10,968.44, 16,444.98 and 5,121.56 is: 7,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.44 : 16,444.98 = 5,121.56 : x
  2. Step 2: Convert to fraction form
    10,968.44/16,444.98 = 5,121.56/x
  3. Step 3: Cross multiply
    10,968.44x = 16,444.98 × 5,121.56
  4. Step 4: Simplify right side
    10,968.44x = 84,223,951.77
  5. Step 5: Solve for x
    x = 84,223,951.77/10,968.44
  6. Step 6: Final answer
    x = 7,678.75

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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.